Home / 82,247.54-123,436.20-42,264.92

Finding the Fourth Proportional to 82,247.54, 123,436.20 and 42,264.92

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Solution

The fourth proportional to 82,247.54, 123,436.20 and 42,264.92 is: 63,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,247.54 : 123,436.20 = 42,264.92 : x
  2. Step 2: Convert to fraction form
    82,247.54/123,436.20 = 42,264.92/x
  3. Step 3: Cross multiply
    82,247.54x = 123,436.20 × 42,264.92
  4. Step 4: Simplify right side
    82,247.54x = 5,217,021,585.19
  5. Step 5: Solve for x
    x = 5,217,021,585.19/82,247.54
  6. Step 6: Final answer
    x = 63,430.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.