Home / 87,454.83-131,071.51-55,852.68

Finding the Fourth Proportional to 87,454.83, 131,071.51 and 55,852.68

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Solution

The fourth proportional to 87,454.83, 131,071.51 and 55,852.68 is: 83,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454.83 : 131,071.51 = 55,852.68 : x
  2. Step 2: Convert to fraction form
    87,454.83/131,071.51 = 55,852.68/x
  3. Step 3: Cross multiply
    87,454.83x = 131,071.51 × 55,852.68
  4. Step 4: Simplify right side
    87,454.83x = 7,320,695,105.15
  5. Step 5: Solve for x
    x = 7,320,695,105.15/87,454.83
  6. Step 6: Final answer
    x = 83,708.30

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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.