Home / 74,236.35-111,378.96-49,374.21

Finding the Fourth Proportional to 74,236.35, 111,378.96 and 49,374.21

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Solution

The fourth proportional to 74,236.35, 111,378.96 and 49,374.21 is: 74,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,236.35 : 111,378.96 = 49,374.21 : x
  2. Step 2: Convert to fraction form
    74,236.35/111,378.96 = 49,374.21/x
  3. Step 3: Cross multiply
    74,236.35x = 111,378.96 × 49,374.21
  4. Step 4: Simplify right side
    74,236.35x = 5,499,248,160.62
  5. Step 5: Solve for x
    x = 5,499,248,160.62/74,236.35
  6. Step 6: Final answer
    x = 74,077.57

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1.5x scale

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.