Home / 78,348.06-108,318.47-60,502.14

Finding the Fourth Proportional to 78,348.06, 108,318.47 and 60,502.14

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Solution

The fourth proportional to 78,348.06, 108,318.47 and 60,502.14 is: 83,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,348.06 : 108,318.47 = 60,502.14 : x
  2. Step 2: Convert to fraction form
    78,348.06/108,318.47 = 60,502.14/x
  3. Step 3: Cross multiply
    78,348.06x = 108,318.47 × 60,502.14
  4. Step 4: Simplify right side
    78,348.06x = 6,553,498,934.02
  5. Step 5: Solve for x
    x = 6,553,498,934.02/78,348.06
  6. Step 6: Final answer
    x = 83,645.96

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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.