Home / 66,560.14-91,853.16-36,345.70

Finding the Fourth Proportional to 66,560.14, 91,853.16 and 36,345.70

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Solution

The fourth proportional to 66,560.14, 91,853.16 and 36,345.70 is: 50,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,560.14 : 91,853.16 = 36,345.70 : x
  2. Step 2: Convert to fraction form
    66,560.14/91,853.16 = 36,345.70/x
  3. Step 3: Cross multiply
    66,560.14x = 91,853.16 × 36,345.70
  4. Step 4: Simplify right side
    66,560.14x = 3,338,467,397.41
  5. Step 5: Solve for x
    x = 3,338,467,397.41/66,560.14
  6. Step 6: Final answer
    x = 50,157.16

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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.