Home / 71,650.24-98,879.34-41,432.65

Finding the Fourth Proportional to 71,650.24, 98,879.34 and 41,432.65

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Solution

The fourth proportional to 71,650.24, 98,879.34 and 41,432.65 is: 57,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,650.24 : 98,879.34 = 41,432.65 : x
  2. Step 2: Convert to fraction form
    71,650.24/98,879.34 = 41,432.65/x
  3. Step 3: Cross multiply
    71,650.24x = 98,879.34 × 41,432.65
  4. Step 4: Simplify right side
    71,650.24x = 4,096,833,086.45
  5. Step 5: Solve for x
    x = 4,096,833,086.45/71,650.24
  6. Step 6: Final answer
    x = 57,178.22

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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.