Home / 71,860.17-99,167.18-41,651.31

Finding the Fourth Proportional to 71,860.17, 99,167.18 and 41,651.31

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Solution

The fourth proportional to 71,860.17, 99,167.18 and 41,651.31 is: 57,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,860.17 : 99,167.18 = 41,651.31 : x
  2. Step 2: Convert to fraction form
    71,860.17/99,167.18 = 41,651.31/x
  3. Step 3: Cross multiply
    71,860.17x = 99,167.18 × 41,651.31
  4. Step 4: Simplify right side
    71,860.17x = 4,130,442,747.75
  5. Step 5: Solve for x
    x = 4,130,442,747.75/71,860.17
  6. Step 6: Final answer
    x = 57,478.89

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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.