Home / 84,251.48-126,376.86-34,320.44

Finding the Fourth Proportional to 84,251.48, 126,376.86 and 34,320.44

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Solution

The fourth proportional to 84,251.48, 126,376.86 and 34,320.44 is: 51,480.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251.48 : 126,376.86 = 34,320.44 : x
  2. Step 2: Convert to fraction form
    84,251.48/126,376.86 = 34,320.44/x
  3. Step 3: Cross multiply
    84,251.48x = 126,376.86 × 34,320.44
  4. Step 4: Simplify right side
    84,251.48x = 4,337,309,441.02
  5. Step 5: Solve for x
    x = 4,337,309,441.02/84,251.48
  6. Step 6: Final answer
    x = 51,480.51

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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.