Home / 126,862.29-175,069.94-69,503.64

Finding the Fourth Proportional to 126,862.29, 175,069.94 and 69,503.64

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Solution

The fourth proportional to 126,862.29, 175,069.94 and 69,503.64 is: 95,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862.29 : 175,069.94 = 69,503.64 : x
  2. Step 2: Convert to fraction form
    126,862.29/175,069.94 = 69,503.64/x
  3. Step 3: Cross multiply
    126,862.29x = 175,069.94 × 69,503.64
  4. Step 4: Simplify right side
    126,862.29x = 12,167,997,819.44
  5. Step 5: Solve for x
    x = 12,167,997,819.44/126,862.29
  6. Step 6: Final answer
    x = 95,915.01

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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.