Home / 74,194.08-111,255.92-43,038.88

Finding the Fourth Proportional to 74,194.08, 111,255.92 and 43,038.88

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Solution

The fourth proportional to 74,194.08, 111,255.92 and 43,038.88 is: 64,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.08 : 111,255.92 = 43,038.88 : x
  2. Step 2: Convert to fraction form
    74,194.08/111,255.92 = 43,038.88/x
  3. Step 3: Cross multiply
    74,194.08x = 111,255.92 × 43,038.88
  4. Step 4: Simplify right side
    74,194.08x = 4,788,330,190.17
  5. Step 5: Solve for x
    x = 4,788,330,190.17/74,194.08
  6. Step 6: Final answer
    x = 64,537.90

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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.