Home / 84,761.20-127,120.50-34,855.24

Finding the Fourth Proportional to 84,761.20, 127,120.50 and 34,855.24

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Solution

The fourth proportional to 84,761.20, 127,120.50 and 34,855.24 is: 52,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,761.20 : 127,120.50 = 34,855.24 : x
  2. Step 2: Convert to fraction form
    84,761.20/127,120.50 = 34,855.24/x
  3. Step 3: Cross multiply
    84,761.20x = 127,120.50 × 34,855.24
  4. Step 4: Simplify right side
    84,761.20x = 4,430,815,536.42
  5. Step 5: Solve for x
    x = 4,430,815,536.42/84,761.20
  6. Step 6: Final answer
    x = 52,274.10

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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.