Home / 125,449.38-173,120.67-68,088.79

Finding the Fourth Proportional to 125,449.38, 173,120.67 and 68,088.79

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Solution

The fourth proportional to 125,449.38, 173,120.67 and 68,088.79 is: 93,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,449.38 : 173,120.67 = 68,088.79 : x
  2. Step 2: Convert to fraction form
    125,449.38/173,120.67 = 68,088.79/x
  3. Step 3: Cross multiply
    125,449.38x = 173,120.67 × 68,088.79
  4. Step 4: Simplify right side
    125,449.38x = 11,787,576,766.82
  5. Step 5: Solve for x
    x = 11,787,576,766.82/125,449.38
  6. Step 6: Final answer
    x = 93,962.81

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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.