Home / 55,831.87-83,753.27-18,376.66

Finding the Fourth Proportional to 55,831.87, 83,753.27 and 18,376.66

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Solution

The fourth proportional to 55,831.87, 83,753.27 and 18,376.66 is: 27,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.87 : 83,753.27 = 18,376.66 : x
  2. Step 2: Convert to fraction form
    55,831.87/83,753.27 = 18,376.66/x
  3. Step 3: Cross multiply
    55,831.87x = 83,753.27 × 18,376.66
  4. Step 4: Simplify right side
    55,831.87x = 1,539,105,366.68
  5. Step 5: Solve for x
    x = 1,539,105,366.68/55,831.87
  6. Step 6: Final answer
    x = 27,566.79

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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.