Home / 71,867.43-99,188.85-40,046.58

Finding the Fourth Proportional to 71,867.43, 99,188.85 and 40,046.58

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Solution

The fourth proportional to 71,867.43, 99,188.85 and 40,046.58 is: 55,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,867.43 : 99,188.85 = 40,046.58 : x
  2. Step 2: Convert to fraction form
    71,867.43/99,188.85 = 40,046.58/x
  3. Step 3: Cross multiply
    71,867.43x = 99,188.85 × 40,046.58
  4. Step 4: Simplify right side
    71,867.43x = 3,972,174,216.63
  5. Step 5: Solve for x
    x = 3,972,174,216.63/71,867.43
  6. Step 6: Final answer
    x = 55,270.85

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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.