Home / 72,462.20-108,693.30-22,545.45

Finding the Fourth Proportional to 72,462.20, 108,693.30 and 22,545.45

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Solution

The fourth proportional to 72,462.20, 108,693.30 and 22,545.45 is: 33,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462.20 : 108,693.30 = 22,545.45 : x
  2. Step 2: Convert to fraction form
    72,462.20/108,693.30 = 22,545.45/x
  3. Step 3: Cross multiply
    72,462.20x = 108,693.30 × 22,545.45
  4. Step 4: Simplify right side
    72,462.20x = 2,450,539,360.49
  5. Step 5: Solve for x
    x = 2,450,539,360.49/72,462.20
  6. Step 6: Final answer
    x = 33,818.18

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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.