Home / 87,556.61-131,146.28-59,321.75

Finding the Fourth Proportional to 87,556.61, 131,146.28 and 59,321.75

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Solution

The fourth proportional to 87,556.61, 131,146.28 and 59,321.75 is: 88,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,556.61 : 131,146.28 = 59,321.75 : x
  2. Step 2: Convert to fraction form
    87,556.61/131,146.28 = 59,321.75/x
  3. Step 3: Cross multiply
    87,556.61x = 131,146.28 × 59,321.75
  4. Step 4: Simplify right side
    87,556.61x = 7,779,825,883.25
  5. Step 5: Solve for x
    x = 7,779,825,883.25/87,556.61
  6. Step 6: Final answer
    x = 88,854.81

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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.