Home / 74,239.68-111,211.18-44,641.32

Finding the Fourth Proportional to 74,239.68, 111,211.18 and 44,641.32

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Solution

The fourth proportional to 74,239.68, 111,211.18 and 44,641.32 is: 66,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,239.68 : 111,211.18 = 44,641.32 : x
  2. Step 2: Convert to fraction form
    74,239.68/111,211.18 = 44,641.32/x
  3. Step 3: Cross multiply
    74,239.68x = 111,211.18 × 44,641.32
  4. Step 4: Simplify right side
    74,239.68x = 4,964,613,873.96
  5. Step 5: Solve for x
    x = 4,964,613,873.96/74,239.68
  6. Step 6: Final answer
    x = 66,872.78

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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.