Home / 125,979.59-173,853.71-68,621.57

Finding the Fourth Proportional to 125,979.59, 173,853.71 and 68,621.57

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Solution

The fourth proportional to 125,979.59, 173,853.71 and 68,621.57 is: 94,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,979.59 : 173,853.71 = 68,621.57 : x
  2. Step 2: Convert to fraction form
    125,979.59/173,853.71 = 68,621.57/x
  3. Step 3: Cross multiply
    125,979.59x = 173,853.71 × 68,621.57
  4. Step 4: Simplify right side
    125,979.59x = 11,930,113,318.15
  5. Step 5: Solve for x
    x = 11,930,113,318.15/125,979.59
  6. Step 6: Final answer
    x = 94,698.78

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1.5x scale

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.