Home / 43,280.75-64,750.31-32,781.02

Finding the Fourth Proportional to 43,280.75, 64,750.31 and 32,781.02

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Solution

The fourth proportional to 43,280.75, 64,750.31 and 32,781.02 is: 49,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.75 : 64,750.31 = 32,781.02 : x
  2. Step 2: Convert to fraction form
    43,280.75/64,750.31 = 32,781.02/x
  3. Step 3: Cross multiply
    43,280.75x = 64,750.31 × 32,781.02
  4. Step 4: Simplify right side
    43,280.75x = 2,122,580,719.46
  5. Step 5: Solve for x
    x = 2,122,580,719.46/43,280.75
  6. Step 6: Final answer
    x = 49,042.15

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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.