Home / 74,537.10-111,811.05-44,891.10

Finding the Fourth Proportional to 74,537.10, 111,811.05 and 44,891.10

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Solution

The fourth proportional to 74,537.10, 111,811.05 and 44,891.10 is: 67,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,537.10 : 111,811.05 = 44,891.10 : x
  2. Step 2: Convert to fraction form
    74,537.10/111,811.05 = 44,891.10/x
  3. Step 3: Cross multiply
    74,537.10x = 111,811.05 × 44,891.10
  4. Step 4: Simplify right side
    74,537.10x = 5,019,321,026.66
  5. Step 5: Solve for x
    x = 5,019,321,026.66/74,537.10
  6. Step 6: Final answer
    x = 67,339.90

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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.