Home / 72,472.03-108,720.60-24,436.06

Finding the Fourth Proportional to 72,472.03, 108,720.60 and 24,436.06

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Solution

The fourth proportional to 72,472.03, 108,720.60 and 24,436.06 is: 36,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.03 : 108,720.60 = 24,436.06 : x
  2. Step 2: Convert to fraction form
    72,472.03/108,720.60 = 24,436.06/x
  3. Step 3: Cross multiply
    72,472.03x = 108,720.60 × 24,436.06
  4. Step 4: Simplify right side
    72,472.03x = 2,656,703,104.84
  5. Step 5: Solve for x
    x = 2,656,703,104.84/72,472.03
  6. Step 6: Final answer
    x = 36,658.32

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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.