Home / 89,831.28-134,761.20-29,861.88

Finding the Fourth Proportional to 89,831.28, 134,761.20 and 29,861.88

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Solution

The fourth proportional to 89,831.28, 134,761.20 and 29,861.88 is: 44,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831.28 : 134,761.20 = 29,861.88 : x
  2. Step 2: Convert to fraction form
    89,831.28/134,761.20 = 29,861.88/x
  3. Step 3: Cross multiply
    89,831.28x = 134,761.20 × 29,861.88
  4. Step 4: Simplify right side
    89,831.28x = 4,024,222,783.06
  5. Step 5: Solve for x
    x = 4,024,222,783.06/89,831.28
  6. Step 6: Final answer
    x = 44,797.57

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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.