Home / 82,861.28-114,391.85-64,672.93

Finding the Fourth Proportional to 82,861.28, 114,391.85 and 64,672.93

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Solution

The fourth proportional to 82,861.28, 114,391.85 and 64,672.93 is: 89,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.28 : 114,391.85 = 64,672.93 : x
  2. Step 2: Convert to fraction form
    82,861.28/114,391.85 = 64,672.93/x
  3. Step 3: Cross multiply
    82,861.28x = 114,391.85 × 64,672.93
  4. Step 4: Simplify right side
    82,861.28x = 7,398,055,927.25
  5. Step 5: Solve for x
    x = 7,398,055,927.25/82,861.28
  6. Step 6: Final answer
    x = 89,282.43

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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.