Home / 74,788.38-112,119.66-34,787.04

Finding the Fourth Proportional to 74,788.38, 112,119.66 and 34,787.04

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Solution

The fourth proportional to 74,788.38, 112,119.66 and 34,787.04 is: 52,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,788.38 : 112,119.66 = 34,787.04 : x
  2. Step 2: Convert to fraction form
    74,788.38/112,119.66 = 34,787.04/x
  3. Step 3: Cross multiply
    74,788.38x = 112,119.66 × 34,787.04
  4. Step 4: Simplify right side
    74,788.38x = 3,900,310,676.76
  5. Step 5: Solve for x
    x = 3,900,310,676.76/74,788.38
  6. Step 6: Final answer
    x = 52,151.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.