Home / 71,732.90-99,010.41-50,521.70

Finding the Fourth Proportional to 71,732.90, 99,010.41 and 50,521.70

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Solution

The fourth proportional to 71,732.90, 99,010.41 and 50,521.70 is: 69,733.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,732.90 : 99,010.41 = 50,521.70 : x
  2. Step 2: Convert to fraction form
    71,732.90/99,010.41 = 50,521.70/x
  3. Step 3: Cross multiply
    71,732.90x = 99,010.41 × 50,521.70
  4. Step 4: Simplify right side
    71,732.90x = 5,002,174,230.90
  5. Step 5: Solve for x
    x = 5,002,174,230.90/71,732.90
  6. Step 6: Final answer
    x = 69,733.33

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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.