Home / 52,380.92-78,569.26-12,937.03

Finding the Fourth Proportional to 52,380.92, 78,569.26 and 12,937.03

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Solution

The fourth proportional to 52,380.92, 78,569.26 and 12,937.03 is: 19,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.92 : 78,569.26 = 12,937.03 : x
  2. Step 2: Convert to fraction form
    52,380.92/78,569.26 = 12,937.03/x
  3. Step 3: Cross multiply
    52,380.92x = 78,569.26 × 12,937.03
  4. Step 4: Simplify right side
    52,380.92x = 1,016,452,873.70
  5. Step 5: Solve for x
    x = 1,016,452,873.70/52,380.92
  6. Step 6: Final answer
    x = 19,405.02

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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.