Home / 68,695.64-94,761.24-40,011.92

Finding the Fourth Proportional to 68,695.64, 94,761.24 and 40,011.92

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Solution

The fourth proportional to 68,695.64, 94,761.24 and 40,011.92 is: 55,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,695.64 : 94,761.24 = 40,011.92 : x
  2. Step 2: Convert to fraction form
    68,695.64/94,761.24 = 40,011.92/x
  3. Step 3: Cross multiply
    68,695.64x = 94,761.24 × 40,011.92
  4. Step 4: Simplify right side
    68,695.64x = 3,791,579,153.98
  5. Step 5: Solve for x
    x = 3,791,579,153.98/68,695.64
  6. Step 6: Final answer
    x = 55,193.88

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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.