Home / 74,115.60-111,246.30-36,717.90

Finding the Fourth Proportional to 74,115.60, 111,246.30 and 36,717.90

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Solution

The fourth proportional to 74,115.60, 111,246.30 and 36,717.90 is: 55,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,115.60 : 111,246.30 = 36,717.90 : x
  2. Step 2: Convert to fraction form
    74,115.60/111,246.30 = 36,717.90/x
  3. Step 3: Cross multiply
    74,115.60x = 111,246.30 × 36,717.90
  4. Step 4: Simplify right side
    74,115.60x = 4,084,730,518.77
  5. Step 5: Solve for x
    x = 4,084,730,518.77/74,115.60
  6. Step 6: Final answer
    x = 55,112.97

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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.