Home / 74,196.08-111,258.92-43,040.88

Finding the Fourth Proportional to 74,196.08, 111,258.92 and 43,040.88

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Solution

The fourth proportional to 74,196.08, 111,258.92 and 43,040.88 is: 64,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,196.08 : 111,258.92 = 43,040.88 : x
  2. Step 2: Convert to fraction form
    74,196.08/111,258.92 = 43,040.88/x
  3. Step 3: Cross multiply
    74,196.08x = 111,258.92 × 43,040.88
  4. Step 4: Simplify right side
    74,196.08x = 4,788,681,824.65
  5. Step 5: Solve for x
    x = 4,788,681,824.65/74,196.08
  6. Step 6: Final answer
    x = 64,540.90

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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.