Home / 100,326.53-138,454.98-60,032.57

Finding the Fourth Proportional to 100,326.53, 138,454.98 and 60,032.57

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Solution

The fourth proportional to 100,326.53, 138,454.98 and 60,032.57 is: 82,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,326.53 : 138,454.98 = 60,032.57 : x
  2. Step 2: Convert to fraction form
    100,326.53/138,454.98 = 60,032.57/x
  3. Step 3: Cross multiply
    100,326.53x = 138,454.98 × 60,032.57
  4. Step 4: Simplify right side
    100,326.53x = 8,311,808,278.70
  5. Step 5: Solve for x
    x = 8,311,808,278.70/100,326.53
  6. Step 6: Final answer
    x = 82,847.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.