Home / 90,684.03-125,162.47-62,082.79

Finding the Fourth Proportional to 90,684.03, 125,162.47 and 62,082.79

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Solution

The fourth proportional to 90,684.03, 125,162.47 and 62,082.79 is: 85,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,684.03 : 125,162.47 = 62,082.79 : x
  2. Step 2: Convert to fraction form
    90,684.03/125,162.47 = 62,082.79/x
  3. Step 3: Cross multiply
    90,684.03x = 125,162.47 × 62,082.79
  4. Step 4: Simplify right side
    90,684.03x = 7,770,435,105.59
  5. Step 5: Solve for x
    x = 7,770,435,105.59/90,684.03
  6. Step 6: Final answer
    x = 85,686.92

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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.