Home / 84,366.28-126,647.16-49,331.08

Finding the Fourth Proportional to 84,366.28, 126,647.16 and 49,331.08

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Solution

The fourth proportional to 84,366.28, 126,647.16 and 49,331.08 is: 74,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,366.28 : 126,647.16 = 49,331.08 : x
  2. Step 2: Convert to fraction form
    84,366.28/126,647.16 = 49,331.08/x
  3. Step 3: Cross multiply
    84,366.28x = 126,647.16 × 49,331.08
  4. Step 4: Simplify right side
    84,366.28x = 6,247,641,181.73
  5. Step 5: Solve for x
    x = 6,247,641,181.73/84,366.28
  6. Step 6: Final answer
    x = 74,053.77

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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.