Home / 71,793.18-99,077.85-39,964.10

Finding the Fourth Proportional to 71,793.18, 99,077.85 and 39,964.10

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Solution

The fourth proportional to 71,793.18, 99,077.85 and 39,964.10 is: 55,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,793.18 : 99,077.85 = 39,964.10 : x
  2. Step 2: Convert to fraction form
    71,793.18/99,077.85 = 39,964.10/x
  3. Step 3: Cross multiply
    71,793.18x = 99,077.85 × 39,964.10
  4. Step 4: Simplify right side
    71,793.18x = 3,959,556,609.80
  5. Step 5: Solve for x
    x = 3,959,556,609.80/71,793.18
  6. Step 6: Final answer
    x = 55,152.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.