Home / 125,748.95-173,534.72-68,388.82

Finding the Fourth Proportional to 125,748.95, 173,534.72 and 68,388.82

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Solution

The fourth proportional to 125,748.95, 173,534.72 and 68,388.82 is: 94,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,748.95 : 173,534.72 = 68,388.82 : x
  2. Step 2: Convert to fraction form
    125,748.95/173,534.72 = 68,388.82/x
  3. Step 3: Cross multiply
    125,748.95x = 173,534.72 × 68,388.82
  4. Step 4: Simplify right side
    125,748.95x = 11,867,833,954.05
  5. Step 5: Solve for x
    x = 11,867,833,954.05/125,748.95
  6. Step 6: Final answer
    x = 94,377.20

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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.