Home / 125,723.12-173,498.26-68,362.46

Finding the Fourth Proportional to 125,723.12, 173,498.26 and 68,362.46

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Solution

The fourth proportional to 125,723.12, 173,498.26 and 68,362.46 is: 94,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,723.12 : 173,498.26 = 68,362.46 : x
  2. Step 2: Convert to fraction form
    125,723.12/173,498.26 = 68,362.46/x
  3. Step 3: Cross multiply
    125,723.12x = 173,498.26 × 68,362.46
  4. Step 4: Simplify right side
    125,723.12x = 11,860,768,463.97
  5. Step 5: Solve for x
    x = 11,860,768,463.97/125,723.12
  6. Step 6: Final answer
    x = 94,340.39

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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.