Home / 74,341.14-111,452.22-38,784.61

Finding the Fourth Proportional to 74,341.14, 111,452.22 and 38,784.61

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Solution

The fourth proportional to 74,341.14, 111,452.22 and 38,784.61 is: 58,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,341.14 : 111,452.22 = 38,784.61 : x
  2. Step 2: Convert to fraction form
    74,341.14/111,452.22 = 38,784.61/x
  3. Step 3: Cross multiply
    74,341.14x = 111,452.22 × 38,784.61
  4. Step 4: Simplify right side
    74,341.14x = 4,322,630,886.33
  5. Step 5: Solve for x
    x = 4,322,630,886.33/74,341.14
  6. Step 6: Final answer
    x = 58,145.88

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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.