Home / 66,226.76-91,392.43-36,012.10

Finding the Fourth Proportional to 66,226.76, 91,392.43 and 36,012.10

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Solution

The fourth proportional to 66,226.76, 91,392.43 and 36,012.10 is: 49,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.76 : 91,392.43 = 36,012.10 : x
  2. Step 2: Convert to fraction form
    66,226.76/91,392.43 = 36,012.10/x
  3. Step 3: Cross multiply
    66,226.76x = 91,392.43 × 36,012.10
  4. Step 4: Simplify right side
    66,226.76x = 3,291,233,328.40
  5. Step 5: Solve for x
    x = 3,291,233,328.40/66,226.76
  6. Step 6: Final answer
    x = 49,696.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.