Home / 52,129.68-78,165.36-22,529.04

Finding the Fourth Proportional to 52,129.68, 78,165.36 and 22,529.04

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Solution

The fourth proportional to 52,129.68, 78,165.36 and 22,529.04 is: 33,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.68 : 78,165.36 = 22,529.04 : x
  2. Step 2: Convert to fraction form
    52,129.68/78,165.36 = 22,529.04/x
  3. Step 3: Cross multiply
    52,129.68x = 78,165.36 × 22,529.04
  4. Step 4: Simplify right side
    52,129.68x = 1,760,990,522.05
  5. Step 5: Solve for x
    x = 1,760,990,522.05/52,129.68
  6. Step 6: Final answer
    x = 33,780.96

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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.