Home / 84,020.32-126,083.02-34,100.41

Finding the Fourth Proportional to 84,020.32, 126,083.02 and 34,100.41

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Solution

The fourth proportional to 84,020.32, 126,083.02 and 34,100.41 is: 51,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,020.32 : 126,083.02 = 34,100.41 : x
  2. Step 2: Convert to fraction form
    84,020.32/126,083.02 = 34,100.41/x
  3. Step 3: Cross multiply
    84,020.32x = 126,083.02 × 34,100.41
  4. Step 4: Simplify right side
    84,020.32x = 4,299,482,480.02
  5. Step 5: Solve for x
    x = 4,299,482,480.02/84,020.32
  6. Step 6: Final answer
    x = 51,171.94

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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.