Home / 82,758.26-124,156.02-30,167.93

Finding the Fourth Proportional to 82,758.26, 124,156.02 and 30,167.93

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Solution

The fourth proportional to 82,758.26, 124,156.02 and 30,167.93 is: 45,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758.26 : 124,156.02 = 30,167.93 : x
  2. Step 2: Convert to fraction form
    82,758.26/124,156.02 = 30,167.93/x
  3. Step 3: Cross multiply
    82,758.26x = 124,156.02 × 30,167.93
  4. Step 4: Simplify right side
    82,758.26x = 3,745,530,120.44
  5. Step 5: Solve for x
    x = 3,745,530,120.44/82,758.26
  6. Step 6: Final answer
    x = 45,258.69

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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.