Home / 78,516.74-108,397.49-60,085.22

Finding the Fourth Proportional to 78,516.74, 108,397.49 and 60,085.22

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Solution

The fourth proportional to 78,516.74, 108,397.49 and 60,085.22 is: 82,951.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,516.74 : 108,397.49 = 60,085.22 : x
  2. Step 2: Convert to fraction form
    78,516.74/108,397.49 = 60,085.22/x
  3. Step 3: Cross multiply
    78,516.74x = 108,397.49 × 60,085.22
  4. Step 4: Simplify right side
    78,516.74x = 6,513,086,191.68
  5. Step 5: Solve for x
    x = 6,513,086,191.68/78,516.74
  6. Step 6: Final answer
    x = 82,951.56

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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.