Home / 67,393.17-92,999.18-40,530.53

Finding the Fourth Proportional to 67,393.17, 92,999.18 and 40,530.53

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Solution

The fourth proportional to 67,393.17, 92,999.18 and 40,530.53 is: 55,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,393.17 : 92,999.18 = 40,530.53 : x
  2. Step 2: Convert to fraction form
    67,393.17/92,999.18 = 40,530.53/x
  3. Step 3: Cross multiply
    67,393.17x = 92,999.18 × 40,530.53
  4. Step 4: Simplify right side
    67,393.17x = 3,769,305,387.32
  5. Step 5: Solve for x
    x = 3,769,305,387.32/67,393.17
  6. Step 6: Final answer
    x = 55,930.08

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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.