Home / 126,005.55-173,885.72-69,418.95

Finding the Fourth Proportional to 126,005.55, 173,885.72 and 69,418.95

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Solution

The fourth proportional to 126,005.55, 173,885.72 and 69,418.95 is: 95,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,005.55 : 173,885.72 = 69,418.95 : x
  2. Step 2: Convert to fraction form
    126,005.55/173,885.72 = 69,418.95/x
  3. Step 3: Cross multiply
    126,005.55x = 173,885.72 × 69,418.95
  4. Step 4: Simplify right side
    126,005.55x = 12,070,963,755.30
  5. Step 5: Solve for x
    x = 12,070,963,755.30/126,005.55
  6. Step 6: Final answer
    x = 95,797.08

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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.