Home / 87,454.82-131,071.52-55,852.68

Finding the Fourth Proportional to 87,454.82, 131,071.52 and 55,852.68

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Solution

The fourth proportional to 87,454.82, 131,071.52 and 55,852.68 is: 83,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,454.82 : 131,071.52 = 55,852.68 : x
  2. Step 2: Convert to fraction form
    87,454.82/131,071.52 = 55,852.68/x
  3. Step 3: Cross multiply
    87,454.82x = 131,071.52 × 55,852.68
  4. Step 4: Simplify right side
    87,454.82x = 7,320,695,663.67
  5. Step 5: Solve for x
    x = 7,320,695,663.67/87,454.82
  6. Step 6: Final answer
    x = 83,708.32

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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.