Home / 84,539.40-126,815.58-25,370.76

Finding the Fourth Proportional to 84,539.40, 126,815.58 and 25,370.76

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Solution

The fourth proportional to 84,539.40, 126,815.58 and 25,370.76 is: 38,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.40 : 126,815.58 = 25,370.76 : x
  2. Step 2: Convert to fraction form
    84,539.40/126,815.58 = 25,370.76/x
  3. Step 3: Cross multiply
    84,539.40x = 126,815.58 × 25,370.76
  4. Step 4: Simplify right side
    84,539.40x = 3,217,407,644.44
  5. Step 5: Solve for x
    x = 3,217,407,644.44/84,539.40
  6. Step 6: Final answer
    x = 38,058.08

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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.