Home / 84,398.72-126,579.25-25,226.70

Finding the Fourth Proportional to 84,398.72, 126,579.25 and 25,226.70

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Solution

The fourth proportional to 84,398.72, 126,579.25 and 25,226.70 is: 37,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,398.72 : 126,579.25 = 25,226.70 : x
  2. Step 2: Convert to fraction form
    84,398.72/126,579.25 = 25,226.70/x
  3. Step 3: Cross multiply
    84,398.72x = 126,579.25 × 25,226.70
  4. Step 4: Simplify right side
    84,398.72x = 3,193,176,639.84
  5. Step 5: Solve for x
    x = 3,193,176,639.84/84,398.72
  6. Step 6: Final answer
    x = 37,834.42

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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.