Home / 126,077.88-173,988.26-69,489.24

Finding the Fourth Proportional to 126,077.88, 173,988.26 and 69,489.24

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Solution

The fourth proportional to 126,077.88, 173,988.26 and 69,489.24 is: 95,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,077.88 : 173,988.26 = 69,489.24 : x
  2. Step 2: Convert to fraction form
    126,077.88/173,988.26 = 69,489.24/x
  3. Step 3: Cross multiply
    126,077.88x = 173,988.26 × 69,489.24
  4. Step 4: Simplify right side
    126,077.88x = 12,090,311,956.32
  5. Step 5: Solve for x
    x = 12,090,311,956.32/126,077.88
  6. Step 6: Final answer
    x = 95,895.58

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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.