Home / 52,360.20-78,545.76-16,812.54

Finding the Fourth Proportional to 52,360.20, 78,545.76 and 16,812.54

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Solution

The fourth proportional to 52,360.20, 78,545.76 and 16,812.54 is: 25,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,360.20 : 78,545.76 = 16,812.54 : x
  2. Step 2: Convert to fraction form
    52,360.20/78,545.76 = 16,812.54/x
  3. Step 3: Cross multiply
    52,360.20x = 78,545.76 × 16,812.54
  4. Step 4: Simplify right side
    52,360.20x = 1,320,553,731.83
  5. Step 5: Solve for x
    x = 1,320,553,731.83/52,360.20
  6. Step 6: Final answer
    x = 25,220.56

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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.