Home / 74,266.20-111,399.30-73,610.10

Finding the Fourth Proportional to 74,266.20, 111,399.30 and 73,610.10

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Solution

The fourth proportional to 74,266.20, 111,399.30 and 73,610.10 is: 110,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.20 : 111,399.30 = 73,610.10 : x
  2. Step 2: Convert to fraction form
    74,266.20/111,399.30 = 73,610.10/x
  3. Step 3: Cross multiply
    74,266.20x = 111,399.30 × 73,610.10
  4. Step 4: Simplify right side
    74,266.20x = 8,200,113,612.93
  5. Step 5: Solve for x
    x = 8,200,113,612.93/74,266.20
  6. Step 6: Final answer
    x = 110,415.15

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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.