Home / 71,910.90-99,228.84-41,689.92

Finding the Fourth Proportional to 71,910.90, 99,228.84 and 41,689.92

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Solution

The fourth proportional to 71,910.90, 99,228.84 and 41,689.92 is: 57,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,910.90 : 99,228.84 = 41,689.92 : x
  2. Step 2: Convert to fraction form
    71,910.90/99,228.84 = 41,689.92/x
  3. Step 3: Cross multiply
    71,910.90x = 99,228.84 × 41,689.92
  4. Step 4: Simplify right side
    71,910.90x = 4,136,842,401.29
  5. Step 5: Solve for x
    x = 4,136,842,401.29/71,910.90
  6. Step 6: Final answer
    x = 57,527.33

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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.