Home / 41,125.60-61,688.40-14,831.20

Finding the Fourth Proportional to 41,125.60, 61,688.40 and 14,831.20

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Solution

The fourth proportional to 41,125.60, 61,688.40 and 14,831.20 is: 22,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,125.60 : 61,688.40 = 14,831.20 : x
  2. Step 2: Convert to fraction form
    41,125.60/61,688.40 = 14,831.20/x
  3. Step 3: Cross multiply
    41,125.60x = 61,688.40 × 14,831.20
  4. Step 4: Simplify right side
    41,125.60x = 914,912,998.08
  5. Step 5: Solve for x
    x = 914,912,998.08/41,125.60
  6. Step 6: Final answer
    x = 22,246.80

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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.