Home / 51,998.26-77,560.50-47,209.18

Finding the Fourth Proportional to 51,998.26, 77,560.50 and 47,209.18

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Solution

The fourth proportional to 51,998.26, 77,560.50 and 47,209.18 is: 70,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.26 : 77,560.50 = 47,209.18 : x
  2. Step 2: Convert to fraction form
    51,998.26/77,560.50 = 47,209.18/x
  3. Step 3: Cross multiply
    51,998.26x = 77,560.50 × 47,209.18
  4. Step 4: Simplify right side
    51,998.26x = 3,661,567,605.39
  5. Step 5: Solve for x
    x = 3,661,567,605.39/51,998.26
  6. Step 6: Final answer
    x = 70,417.12

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.