Home / 68,937.04-95,118.36-40,243.68

Finding the Fourth Proportional to 68,937.04, 95,118.36 and 40,243.68

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Solution

The fourth proportional to 68,937.04, 95,118.36 and 40,243.68 is: 55,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,937.04 : 95,118.36 = 40,243.68 : x
  2. Step 2: Convert to fraction form
    68,937.04/95,118.36 = 40,243.68/x
  3. Step 3: Cross multiply
    68,937.04x = 95,118.36 × 40,243.68
  4. Step 4: Simplify right side
    68,937.04x = 3,827,912,841.96
  5. Step 5: Solve for x
    x = 3,827,912,841.96/68,937.04
  6. Step 6: Final answer
    x = 55,527.66

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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.