Home / 76,000.28-113,989.72-26,079.52

Finding the Fourth Proportional to 76,000.28, 113,989.72 and 26,079.52

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Solution

The fourth proportional to 76,000.28, 113,989.72 and 26,079.52 is: 39,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.28 : 113,989.72 = 26,079.52 : x
  2. Step 2: Convert to fraction form
    76,000.28/113,989.72 = 26,079.52/x
  3. Step 3: Cross multiply
    76,000.28x = 113,989.72 × 26,079.52
  4. Step 4: Simplify right side
    76,000.28x = 2,972,797,182.53
  5. Step 5: Solve for x
    x = 2,972,797,182.53/76,000.28
  6. Step 6: Final answer
    x = 39,115.61

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1.5x scale

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.