Home / 87,989.60-131,984.40-41,333.60

Finding the Fourth Proportional to 87,989.60, 131,984.40 and 41,333.60

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Solution

The fourth proportional to 87,989.60, 131,984.40 and 41,333.60 is: 62,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,989.60 : 131,984.40 = 41,333.60 : x
  2. Step 2: Convert to fraction form
    87,989.60/131,984.40 = 41,333.60/x
  3. Step 3: Cross multiply
    87,989.60x = 131,984.40 × 41,333.60
  4. Step 4: Simplify right side
    87,989.60x = 5,455,390,395.84
  5. Step 5: Solve for x
    x = 5,455,390,395.84/87,989.60
  6. Step 6: Final answer
    x = 62,000.40

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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.