Home / 65,822.52-90,844.02-40,344.06

Finding the Fourth Proportional to 65,822.52, 90,844.02 and 40,344.06

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Solution

The fourth proportional to 65,822.52, 90,844.02 and 40,344.06 is: 55,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.52 : 90,844.02 = 40,344.06 : x
  2. Step 2: Convert to fraction form
    65,822.52/90,844.02 = 40,344.06/x
  3. Step 3: Cross multiply
    65,822.52x = 90,844.02 × 40,344.06
  4. Step 4: Simplify right side
    65,822.52x = 3,665,016,593.52
  5. Step 5: Solve for x
    x = 3,665,016,593.52/65,822.52
  6. Step 6: Final answer
    x = 55,680.28

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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.