Home / 90,636.97-125,082.56-62,016.65

Finding the Fourth Proportional to 90,636.97, 125,082.56 and 62,016.65

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Solution

The fourth proportional to 90,636.97, 125,082.56 and 62,016.65 is: 85,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,636.97 : 125,082.56 = 62,016.65 : x
  2. Step 2: Convert to fraction form
    90,636.97/125,082.56 = 62,016.65/x
  3. Step 3: Cross multiply
    90,636.97x = 125,082.56 × 62,016.65
  4. Step 4: Simplify right side
    90,636.97x = 7,757,201,344.62
  5. Step 5: Solve for x
    x = 7,757,201,344.62/90,636.97
  6. Step 6: Final answer
    x = 85,585.40

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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.