Home / 87,831.26-131,750.52-25,501.76

Finding the Fourth Proportional to 87,831.26, 131,750.52 and 25,501.76

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Solution

The fourth proportional to 87,831.26, 131,750.52 and 25,501.76 is: 38,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,831.26 : 131,750.52 = 25,501.76 : x
  2. Step 2: Convert to fraction form
    87,831.26/131,750.52 = 25,501.76/x
  3. Step 3: Cross multiply
    87,831.26x = 131,750.52 × 25,501.76
  4. Step 4: Simplify right side
    87,831.26x = 3,359,870,140.92
  5. Step 5: Solve for x
    x = 3,359,870,140.92/87,831.26
  6. Step 6: Final answer
    x = 38,253.69

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1.5x scale

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.