Home / 87,265.20-130,962.60-34,712.40

Finding the Fourth Proportional to 87,265.20, 130,962.60 and 34,712.40

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Solution

The fourth proportional to 87,265.20, 130,962.60 and 34,712.40 is: 52,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,265.20 : 130,962.60 = 34,712.40 : x
  2. Step 2: Convert to fraction form
    87,265.20/130,962.60 = 34,712.40/x
  3. Step 3: Cross multiply
    87,265.20x = 130,962.60 × 34,712.40
  4. Step 4: Simplify right side
    87,265.20x = 4,546,026,156.24
  5. Step 5: Solve for x
    x = 4,546,026,156.24/87,265.20
  6. Step 6: Final answer
    x = 52,094.38

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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.