Home / 84,569.18-126,873.24-25,406

Finding the Fourth Proportional to 84,569.18, 126,873.24 and 25,406

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Solution

The fourth proportional to 84,569.18, 126,873.24 and 25,406 is: 38,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,569.18 : 126,873.24 = 25,406 : x
  2. Step 2: Convert to fraction form
    84,569.18/126,873.24 = 25,406/x
  3. Step 3: Cross multiply
    84,569.18x = 126,873.24 × 25,406
  4. Step 4: Simplify right side
    84,569.18x = 3,223,341,535.44
  5. Step 5: Solve for x
    x = 3,223,341,535.44/84,569.18
  6. Step 6: Final answer
    x = 38,114.85

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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.