Home / 125,717.12-173,479.32-74,026.04

Finding the Fourth Proportional to 125,717.12, 173,479.32 and 74,026.04

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Solution

The fourth proportional to 125,717.12, 173,479.32 and 74,026.04 is: 102,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,717.12 : 173,479.32 = 74,026.04 : x
  2. Step 2: Convert to fraction form
    125,717.12/173,479.32 = 74,026.04/x
  3. Step 3: Cross multiply
    125,717.12x = 173,479.32 × 74,026.04
  4. Step 4: Simplify right side
    125,717.12x = 12,841,987,081.49
  5. Step 5: Solve for x
    x = 12,841,987,081.49/125,717.12
  6. Step 6: Final answer
    x = 102,149.87

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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.