Home / 102,287.07-141,171.80-62,007.39

Finding the Fourth Proportional to 102,287.07, 141,171.80 and 62,007.39

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Solution

The fourth proportional to 102,287.07, 141,171.80 and 62,007.39 is: 85,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,287.07 : 141,171.80 = 62,007.39 : x
  2. Step 2: Convert to fraction form
    102,287.07/141,171.80 = 62,007.39/x
  3. Step 3: Cross multiply
    102,287.07x = 141,171.80 × 62,007.39
  4. Step 4: Simplify right side
    102,287.07x = 8,753,694,549.57
  5. Step 5: Solve for x
    x = 8,753,694,549.57/102,287.07
  6. Step 6: Final answer
    x = 85,579.68

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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.