Home / 126,886.94-175,097.04-69,515.64

Finding the Fourth Proportional to 126,886.94, 175,097.04 and 69,515.64

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Solution

The fourth proportional to 126,886.94, 175,097.04 and 69,515.64 is: 95,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,886.94 : 175,097.04 = 69,515.64 : x
  2. Step 2: Convert to fraction form
    126,886.94/175,097.04 = 69,515.64/x
  3. Step 3: Cross multiply
    126,886.94x = 175,097.04 × 69,515.64
  4. Step 4: Simplify right side
    126,886.94x = 12,171,982,797.71
  5. Step 5: Solve for x
    x = 12,171,982,797.71/126,886.94
  6. Step 6: Final answer
    x = 95,927.78

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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.