Home / 42,062.20-63,091.88-10,472.20

Finding the Fourth Proportional to 42,062.20, 63,091.88 and 10,472.20

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Solution

The fourth proportional to 42,062.20, 63,091.88 and 10,472.20 is: 15,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062.20 : 63,091.88 = 10,472.20 : x
  2. Step 2: Convert to fraction form
    42,062.20/63,091.88 = 10,472.20/x
  3. Step 3: Cross multiply
    42,062.20x = 63,091.88 × 10,472.20
  4. Step 4: Simplify right side
    42,062.20x = 660,710,785.74
  5. Step 5: Solve for x
    x = 660,710,785.74/42,062.20
  6. Step 6: Final answer
    x = 15,707.95

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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.