Home / 82,343.28-113,635.80-50,529.72

Finding the Fourth Proportional to 82,343.28, 113,635.80 and 50,529.72

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Solution

The fourth proportional to 82,343.28, 113,635.80 and 50,529.72 is: 69,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,343.28 : 113,635.80 = 50,529.72 : x
  2. Step 2: Convert to fraction form
    82,343.28/113,635.80 = 50,529.72/x
  3. Step 3: Cross multiply
    82,343.28x = 113,635.80 × 50,529.72
  4. Step 4: Simplify right side
    82,343.28x = 5,741,985,155.98
  5. Step 5: Solve for x
    x = 5,741,985,155.98/82,343.28
  6. Step 6: Final answer
    x = 69,732.29

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1.5x scale

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.