Home / 89,831.68-134,708.40-25,775.71

Finding the Fourth Proportional to 89,831.68, 134,708.40 and 25,775.71

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Solution

The fourth proportional to 89,831.68, 134,708.40 and 25,775.71 is: 38,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831.68 : 134,708.40 = 25,775.71 : x
  2. Step 2: Convert to fraction form
    89,831.68/134,708.40 = 25,775.71/x
  3. Step 3: Cross multiply
    89,831.68x = 134,708.40 × 25,775.71
  4. Step 4: Simplify right side
    89,831.68x = 3,472,204,652.96
  5. Step 5: Solve for x
    x = 3,472,204,652.96/89,831.68
  6. Step 6: Final answer
    x = 38,652.34

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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.