Home / 68,331.60-94,259.70-40,031.82

Finding the Fourth Proportional to 68,331.60, 94,259.70 and 40,031.82

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Solution

The fourth proportional to 68,331.60, 94,259.70 and 40,031.82 is: 55,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,331.60 : 94,259.70 = 40,031.82 : x
  2. Step 2: Convert to fraction form
    68,331.60/94,259.70 = 40,031.82/x
  3. Step 3: Cross multiply
    68,331.60x = 94,259.70 × 40,031.82
  4. Step 4: Simplify right side
    68,331.60x = 3,773,387,343.65
  5. Step 5: Solve for x
    x = 3,773,387,343.65/68,331.60
  6. Step 6: Final answer
    x = 55,221.70

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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.