Home / 71,876.18-99,189.23-40,046.19

Finding the Fourth Proportional to 71,876.18, 99,189.23 and 40,046.19

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Solution

The fourth proportional to 71,876.18, 99,189.23 and 40,046.19 is: 55,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,876.18 : 99,189.23 = 40,046.19 : x
  2. Step 2: Convert to fraction form
    71,876.18/99,189.23 = 40,046.19/x
  3. Step 3: Cross multiply
    71,876.18x = 99,189.23 × 40,046.19
  4. Step 4: Simplify right side
    71,876.18x = 3,972,150,550.30
  5. Step 5: Solve for x
    x = 3,972,150,550.30/71,876.18
  6. Step 6: Final answer
    x = 55,263.80

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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.