Home / 71,875.41-99,188.19-40,045.44

Finding the Fourth Proportional to 71,875.41, 99,188.19 and 40,045.44

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Solution

The fourth proportional to 71,875.41, 99,188.19 and 40,045.44 is: 55,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,875.41 : 99,188.19 = 40,045.44 : x
  2. Step 2: Convert to fraction form
    71,875.41/99,188.19 = 40,045.44/x
  3. Step 3: Cross multiply
    71,875.41x = 99,188.19 × 40,045.44
  4. Step 4: Simplify right side
    71,875.41x = 3,972,034,711.35
  5. Step 5: Solve for x
    x = 3,972,034,711.35/71,875.41
  6. Step 6: Final answer
    x = 55,262.78

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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.