Home / 52,508.04-78,705.36-25,872.56

Finding the Fourth Proportional to 52,508.04, 78,705.36 and 25,872.56

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Solution

The fourth proportional to 52,508.04, 78,705.36 and 25,872.56 is: 38,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,508.04 : 78,705.36 = 25,872.56 : x
  2. Step 2: Convert to fraction form
    52,508.04/78,705.36 = 25,872.56/x
  3. Step 3: Cross multiply
    52,508.04x = 78,705.36 × 25,872.56
  4. Step 4: Simplify right side
    52,508.04x = 2,036,309,148.92
  5. Step 5: Solve for x
    x = 2,036,309,148.92/52,508.04
  6. Step 6: Final answer
    x = 38,780.90

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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.