Home / 71,956.19-99,299.97-40,127.10

Finding the Fourth Proportional to 71,956.19, 99,299.97 and 40,127.10

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Solution

The fourth proportional to 71,956.19, 99,299.97 and 40,127.10 is: 55,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,956.19 : 99,299.97 = 40,127.10 : x
  2. Step 2: Convert to fraction form
    71,956.19/99,299.97 = 40,127.10/x
  3. Step 3: Cross multiply
    71,956.19x = 99,299.97 × 40,127.10
  4. Step 4: Simplify right side
    71,956.19x = 3,984,619,826.19
  5. Step 5: Solve for x
    x = 3,984,619,826.19/71,956.19
  6. Step 6: Final answer
    x = 55,375.64

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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.