Home / 71,849.52-99,148.43-39,577.85

Finding the Fourth Proportional to 71,849.52, 99,148.43 and 39,577.85

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Solution

The fourth proportional to 71,849.52, 99,148.43 and 39,577.85 is: 54,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.52 : 99,148.43 = 39,577.85 : x
  2. Step 2: Convert to fraction form
    71,849.52/99,148.43 = 39,577.85/x
  3. Step 3: Cross multiply
    71,849.52x = 99,148.43 × 39,577.85
  4. Step 4: Simplify right side
    71,849.52x = 3,924,080,996.64
  5. Step 5: Solve for x
    x = 3,924,080,996.64/71,849.52
  6. Step 6: Final answer
    x = 54,615.27

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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.