Home / 68,718.14-94,842.87-40,425.02

Finding the Fourth Proportional to 68,718.14, 94,842.87 and 40,425.02

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Solution

The fourth proportional to 68,718.14, 94,842.87 and 40,425.02 is: 55,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,718.14 : 94,842.87 = 40,425.02 : x
  2. Step 2: Convert to fraction form
    68,718.14/94,842.87 = 40,425.02/x
  3. Step 3: Cross multiply
    68,718.14x = 94,842.87 × 40,425.02
  4. Step 4: Simplify right side
    68,718.14x = 3,834,024,916.61
  5. Step 5: Solve for x
    x = 3,834,024,916.61/68,718.14
  6. Step 6: Final answer
    x = 55,793.49

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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.