Home / 125,723.87-173,499.30-68,363.21

Finding the Fourth Proportional to 125,723.87, 173,499.30 and 68,363.21

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Solution

The fourth proportional to 125,723.87, 173,499.30 and 68,363.21 is: 94,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,723.87 : 173,499.30 = 68,363.21 : x
  2. Step 2: Convert to fraction form
    125,723.87/173,499.30 = 68,363.21/x
  3. Step 3: Cross multiply
    125,723.87x = 173,499.30 × 68,363.21
  4. Step 4: Simplify right side
    125,723.87x = 11,860,969,080.75
  5. Step 5: Solve for x
    x = 11,860,969,080.75/125,723.87
  6. Step 6: Final answer
    x = 94,341.43

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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.