Home / 87,400.80-131,036.40-59,250.60

Finding the Fourth Proportional to 87,400.80, 131,036.40 and 59,250.60

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Solution

The fourth proportional to 87,400.80, 131,036.40 and 59,250.60 is: 88,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,400.80 : 131,036.40 = 59,250.60 : x
  2. Step 2: Convert to fraction form
    87,400.80/131,036.40 = 59,250.60/x
  3. Step 3: Cross multiply
    87,400.80x = 131,036.40 × 59,250.60
  4. Step 4: Simplify right side
    87,400.80x = 7,763,985,321.84
  5. Step 5: Solve for x
    x = 7,763,985,321.84/87,400.80
  6. Step 6: Final answer
    x = 88,831.97

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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.