Home / 66,065.20-99,162.60-32,822.80

Finding the Fourth Proportional to 66,065.20, 99,162.60 and 32,822.80

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Solution

The fourth proportional to 66,065.20, 99,162.60 and 32,822.80 is: 49,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.20 : 99,162.60 = 32,822.80 : x
  2. Step 2: Convert to fraction form
    66,065.20/99,162.60 = 32,822.80/x
  3. Step 3: Cross multiply
    66,065.20x = 99,162.60 × 32,822.80
  4. Step 4: Simplify right side
    66,065.20x = 3,254,794,187.28
  5. Step 5: Solve for x
    x = 3,254,794,187.28/66,065.20
  6. Step 6: Final answer
    x = 49,266.39

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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.