Home / 84,248.45-126,310.22-39,823.28

Finding the Fourth Proportional to 84,248.45, 126,310.22 and 39,823.28

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Solution

The fourth proportional to 84,248.45, 126,310.22 and 39,823.28 is: 59,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248.45 : 126,310.22 = 39,823.28 : x
  2. Step 2: Convert to fraction form
    84,248.45/126,310.22 = 39,823.28/x
  3. Step 3: Cross multiply
    84,248.45x = 126,310.22 × 39,823.28
  4. Step 4: Simplify right side
    84,248.45x = 5,030,087,257.92
  5. Step 5: Solve for x
    x = 5,030,087,257.92/84,248.45
  6. Step 6: Final answer
    x = 59,705.40

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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.