Home / 84,205.25-126,240.78-48,626.17

Finding the Fourth Proportional to 84,205.25, 126,240.78 and 48,626.17

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Solution

The fourth proportional to 84,205.25, 126,240.78 and 48,626.17 is: 72,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.25 : 126,240.78 = 48,626.17 : x
  2. Step 2: Convert to fraction form
    84,205.25/126,240.78 = 48,626.17/x
  3. Step 3: Cross multiply
    84,205.25x = 126,240.78 × 48,626.17
  4. Step 4: Simplify right side
    84,205.25x = 6,138,605,629.21
  5. Step 5: Solve for x
    x = 6,138,605,629.21/84,205.25
  6. Step 6: Final answer
    x = 72,900.51

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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.