Home / 88,720.30-133,092.60-29,549.80

Finding the Fourth Proportional to 88,720.30, 133,092.60 and 29,549.80

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Solution

The fourth proportional to 88,720.30, 133,092.60 and 29,549.80 is: 44,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.30 : 133,092.60 = 29,549.80 : x
  2. Step 2: Convert to fraction form
    88,720.30/133,092.60 = 29,549.80/x
  3. Step 3: Cross multiply
    88,720.30x = 133,092.60 × 29,549.80
  4. Step 4: Simplify right side
    88,720.30x = 3,932,859,711.48
  5. Step 5: Solve for x
    x = 3,932,859,711.48/88,720.30
  6. Step 6: Final answer
    x = 44,328.75

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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.