Home / 84,521.67-126,803.57-25,358.43

Finding the Fourth Proportional to 84,521.67, 126,803.57 and 25,358.43

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Solution

The fourth proportional to 84,521.67, 126,803.57 and 25,358.43 is: 38,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521.67 : 126,803.57 = 25,358.43 : x
  2. Step 2: Convert to fraction form
    84,521.67/126,803.57 = 25,358.43/x
  3. Step 3: Cross multiply
    84,521.67x = 126,803.57 × 25,358.43
  4. Step 4: Simplify right side
    84,521.67x = 3,215,539,326.80
  5. Step 5: Solve for x
    x = 3,215,539,326.80/84,521.67
  6. Step 6: Final answer
    x = 38,043.96

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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.