Home / 52,545.60-78,831-15,104.91

Finding the Fourth Proportional to 52,545.60, 78,831 and 15,104.91

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Solution

The fourth proportional to 52,545.60, 78,831 and 15,104.91 is: 22,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,545.60 : 78,831 = 15,104.91 : x
  2. Step 2: Convert to fraction form
    52,545.60/78,831 = 15,104.91/x
  3. Step 3: Cross multiply
    52,545.60x = 78,831 × 15,104.91
  4. Step 4: Simplify right side
    52,545.60x = 1,190,735,160.21
  5. Step 5: Solve for x
    x = 1,190,735,160.21/52,545.60
  6. Step 6: Final answer
    x = 22,660.99

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1.5x scale

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.