Home / 72,816.40-109,229.30-22,898.43

Finding the Fourth Proportional to 72,816.40, 109,229.30 and 22,898.43

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Solution

The fourth proportional to 72,816.40, 109,229.30 and 22,898.43 is: 34,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,816.40 : 109,229.30 = 22,898.43 : x
  2. Step 2: Convert to fraction form
    72,816.40/109,229.30 = 22,898.43/x
  3. Step 3: Cross multiply
    72,816.40x = 109,229.30 × 22,898.43
  4. Step 4: Simplify right side
    72,816.40x = 2,501,179,537.25
  5. Step 5: Solve for x
    x = 2,501,179,537.25/72,816.40
  6. Step 6: Final answer
    x = 34,349.12

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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.