Home / 48,468.24-72,690.12-34,387.20

Finding the Fourth Proportional to 48,468.24, 72,690.12 and 34,387.20

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Solution

The fourth proportional to 48,468.24, 72,690.12 and 34,387.20 is: 51,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,468.24 : 72,690.12 = 34,387.20 : x
  2. Step 2: Convert to fraction form
    48,468.24/72,690.12 = 34,387.20/x
  3. Step 3: Cross multiply
    48,468.24x = 72,690.12 × 34,387.20
  4. Step 4: Simplify right side
    48,468.24x = 2,499,609,694.46
  5. Step 5: Solve for x
    x = 2,499,609,694.46/48,468.24
  6. Step 6: Final answer
    x = 51,572.12

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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.