Home / 82,277.52-123,364.44-69,801.90

Finding the Fourth Proportional to 82,277.52, 123,364.44 and 69,801.90

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Solution

The fourth proportional to 82,277.52, 123,364.44 and 69,801.90 is: 104,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,277.52 : 123,364.44 = 69,801.90 : x
  2. Step 2: Convert to fraction form
    82,277.52/123,364.44 = 69,801.90/x
  3. Step 3: Cross multiply
    82,277.52x = 123,364.44 × 69,801.90
  4. Step 4: Simplify right side
    82,277.52x = 8,611,072,304.44
  5. Step 5: Solve for x
    x = 8,611,072,304.44/82,277.52
  6. Step 6: Final answer
    x = 104,658.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.