Home / 68,718.49-94,846.52-40,042.87

Finding the Fourth Proportional to 68,718.49, 94,846.52 and 40,042.87

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Solution

The fourth proportional to 68,718.49, 94,846.52 and 40,042.87 is: 55,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,718.49 : 94,846.52 = 40,042.87 : x
  2. Step 2: Convert to fraction form
    68,718.49/94,846.52 = 40,042.87/x
  3. Step 3: Cross multiply
    68,718.49x = 94,846.52 × 40,042.87
  4. Step 4: Simplify right side
    68,718.49x = 3,797,926,870.31
  5. Step 5: Solve for x
    x = 3,797,926,870.31/68,718.49
  6. Step 6: Final answer
    x = 55,267.90

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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.