Home / 125,974.78-173,845.18-69,386.15

Finding the Fourth Proportional to 125,974.78, 173,845.18 and 69,386.15

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Solution

The fourth proportional to 125,974.78, 173,845.18 and 69,386.15 is: 95,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,974.78 : 173,845.18 = 69,386.15 : x
  2. Step 2: Convert to fraction form
    125,974.78/173,845.18 = 69,386.15/x
  3. Step 3: Cross multiply
    125,974.78x = 173,845.18 × 69,386.15
  4. Step 4: Simplify right side
    125,974.78x = 12,062,447,997.40
  5. Step 5: Solve for x
    x = 12,062,447,997.40/125,974.78
  6. Step 6: Final answer
    x = 95,752.88

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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.