Home / 54,362.10-81,543.15-14,925.30

Finding the Fourth Proportional to 54,362.10, 81,543.15 and 14,925.30

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Solution

The fourth proportional to 54,362.10, 81,543.15 and 14,925.30 is: 22,387.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.10 : 81,543.15 = 14,925.30 : x
  2. Step 2: Convert to fraction form
    54,362.10/81,543.15 = 14,925.30/x
  3. Step 3: Cross multiply
    54,362.10x = 81,543.15 × 14,925.30
  4. Step 4: Simplify right side
    54,362.10x = 1,217,055,976.70
  5. Step 5: Solve for x
    x = 1,217,055,976.70/54,362.10
  6. Step 6: Final answer
    x = 22,387.95

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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.