Home / 84,257.06-126,424.65-36,865.90

Finding the Fourth Proportional to 84,257.06, 126,424.65 and 36,865.90

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Solution

The fourth proportional to 84,257.06, 126,424.65 and 36,865.90 is: 55,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.06 : 126,424.65 = 36,865.90 : x
  2. Step 2: Convert to fraction form
    84,257.06/126,424.65 = 36,865.90/x
  3. Step 3: Cross multiply
    84,257.06x = 126,424.65 × 36,865.90
  4. Step 4: Simplify right side
    84,257.06x = 4,660,758,504.44
  5. Step 5: Solve for x
    x = 4,660,758,504.44/84,257.06
  6. Step 6: Final answer
    x = 55,315.94

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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.