Home / 83,957.39-115,869.38-62,699.75

Finding the Fourth Proportional to 83,957.39, 115,869.38 and 62,699.75

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Solution

The fourth proportional to 83,957.39, 115,869.38 and 62,699.75 is: 86,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,957.39 : 115,869.38 = 62,699.75 : x
  2. Step 2: Convert to fraction form
    83,957.39/115,869.38 = 62,699.75/x
  3. Step 3: Cross multiply
    83,957.39x = 115,869.38 × 62,699.75
  4. Step 4: Simplify right side
    83,957.39x = 7,264,980,265.81
  5. Step 5: Solve for x
    x = 7,264,980,265.81/83,957.39
  6. Step 6: Final answer
    x = 86,531.76

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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.