Home / 102,593.16-141,575.94-66,715.47

Finding the Fourth Proportional to 102,593.16, 141,575.94 and 66,715.47

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Solution

The fourth proportional to 102,593.16, 141,575.94 and 66,715.47 is: 92,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,593.16 : 141,575.94 = 66,715.47 : x
  2. Step 2: Convert to fraction form
    102,593.16/141,575.94 = 66,715.47/x
  3. Step 3: Cross multiply
    102,593.16x = 141,575.94 × 66,715.47
  4. Step 4: Simplify right side
    102,593.16x = 9,445,305,377.79
  5. Step 5: Solve for x
    x = 9,445,305,377.79/102,593.16
  6. Step 6: Final answer
    x = 92,065.64

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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.