Home / 87,187.41-130,831.57-36,581.90

Finding the Fourth Proportional to 87,187.41, 130,831.57 and 36,581.90

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Solution

The fourth proportional to 87,187.41, 130,831.57 and 36,581.90 is: 54,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.41 : 130,831.57 = 36,581.90 : x
  2. Step 2: Convert to fraction form
    87,187.41/130,831.57 = 36,581.90/x
  3. Step 3: Cross multiply
    87,187.41x = 130,831.57 × 36,581.90
  4. Step 4: Simplify right side
    87,187.41x = 4,786,067,410.58
  5. Step 5: Solve for x
    x = 4,786,067,410.58/87,187.41
  6. Step 6: Final answer
    x = 54,894.02

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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.