Home / 71,831.43-99,123.56-41,202.95

Finding the Fourth Proportional to 71,831.43, 99,123.56 and 41,202.95

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Solution

The fourth proportional to 71,831.43, 99,123.56 and 41,202.95 is: 56,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,831.43 : 99,123.56 = 41,202.95 : x
  2. Step 2: Convert to fraction form
    71,831.43/99,123.56 = 41,202.95/x
  3. Step 3: Cross multiply
    71,831.43x = 99,123.56 × 41,202.95
  4. Step 4: Simplify right side
    71,831.43x = 4,084,182,384.87
  5. Step 5: Solve for x
    x = 4,084,182,384.87/71,831.43
  6. Step 6: Final answer
    x = 56,857.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.