Home / 126,476.88-174,535.68-69,887.04

Finding the Fourth Proportional to 126,476.88, 174,535.68 and 69,887.04

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Solution

The fourth proportional to 126,476.88, 174,535.68 and 69,887.04 is: 96,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,476.88 : 174,535.68 = 69,887.04 : x
  2. Step 2: Convert to fraction form
    126,476.88/174,535.68 = 69,887.04/x
  3. Step 3: Cross multiply
    126,476.88x = 174,535.68 × 69,887.04
  4. Step 4: Simplify right side
    126,476.88x = 12,197,782,049.59
  5. Step 5: Solve for x
    x = 12,197,782,049.59/126,476.88
  6. Step 6: Final answer
    x = 96,442.78

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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.