Home / 84,535.10-126,815.02-25,375.46

Finding the Fourth Proportional to 84,535.10, 126,815.02 and 25,375.46

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Solution

The fourth proportional to 84,535.10, 126,815.02 and 25,375.46 is: 38,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,535.10 : 126,815.02 = 25,375.46 : x
  2. Step 2: Convert to fraction form
    84,535.10/126,815.02 = 25,375.46/x
  3. Step 3: Cross multiply
    84,535.10x = 126,815.02 × 25,375.46
  4. Step 4: Simplify right side
    84,535.10x = 3,217,989,467.41
  5. Step 5: Solve for x
    x = 3,217,989,467.41/84,535.10
  6. Step 6: Final answer
    x = 38,066.90

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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.