Home / 71,288.85-98,339.14-45,766.56

Finding the Fourth Proportional to 71,288.85, 98,339.14 and 45,766.56

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Solution

The fourth proportional to 71,288.85, 98,339.14 and 45,766.56 is: 63,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.85 : 98,339.14 = 45,766.56 : x
  2. Step 2: Convert to fraction form
    71,288.85/98,339.14 = 45,766.56/x
  3. Step 3: Cross multiply
    71,288.85x = 98,339.14 × 45,766.56
  4. Step 4: Simplify right side
    71,288.85x = 4,500,644,379.28
  5. Step 5: Solve for x
    x = 4,500,644,379.28/71,288.85
  6. Step 6: Final answer
    x = 63,132.51

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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.