Home / 83,511.33-125,237.83-39,158.97

Finding the Fourth Proportional to 83,511.33, 125,237.83 and 39,158.97

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Solution

The fourth proportional to 83,511.33, 125,237.83 and 39,158.97 is: 58,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,511.33 : 125,237.83 = 39,158.97 : x
  2. Step 2: Convert to fraction form
    83,511.33/125,237.83 = 39,158.97/x
  3. Step 3: Cross multiply
    83,511.33x = 125,237.83 × 39,158.97
  4. Step 4: Simplify right side
    83,511.33x = 4,904,184,427.84
  5. Step 5: Solve for x
    x = 4,904,184,427.84/83,511.33
  6. Step 6: Final answer
    x = 58,724.78

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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.