Home / 125,689.43-173,449.34-68,330.18

Finding the Fourth Proportional to 125,689.43, 173,449.34 and 68,330.18

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Solution

The fourth proportional to 125,689.43, 173,449.34 and 68,330.18 is: 94,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,689.43 : 173,449.34 = 68,330.18 : x
  2. Step 2: Convert to fraction form
    125,689.43/173,449.34 = 68,330.18/x
  3. Step 3: Cross multiply
    125,689.43x = 173,449.34 × 68,330.18
  4. Step 4: Simplify right side
    125,689.43x = 11,851,823,414.18
  5. Step 5: Solve for x
    x = 11,851,823,414.18/125,689.43
  6. Step 6: Final answer
    x = 94,294.51

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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.