Home / 52,061.85-78,129.23-22,500.90

Finding the Fourth Proportional to 52,061.85, 78,129.23 and 22,500.90

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Solution

The fourth proportional to 52,061.85, 78,129.23 and 22,500.90 is: 33,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061.85 : 78,129.23 = 22,500.90 : x
  2. Step 2: Convert to fraction form
    52,061.85/78,129.23 = 22,500.90/x
  3. Step 3: Cross multiply
    52,061.85x = 78,129.23 × 22,500.90
  4. Step 4: Simplify right side
    52,061.85x = 1,757,977,878.80
  5. Step 5: Solve for x
    x = 1,757,977,878.80/52,061.85
  6. Step 6: Final answer
    x = 33,767.10

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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.