Home / 84,231.93-126,273.51-34,353.75

Finding the Fourth Proportional to 84,231.93, 126,273.51 and 34,353.75

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Solution

The fourth proportional to 84,231.93, 126,273.51 and 34,353.75 is: 51,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,231.93 : 126,273.51 = 34,353.75 : x
  2. Step 2: Convert to fraction form
    84,231.93/126,273.51 = 34,353.75/x
  3. Step 3: Cross multiply
    84,231.93x = 126,273.51 × 34,353.75
  4. Step 4: Simplify right side
    84,231.93x = 4,337,968,594.16
  5. Step 5: Solve for x
    x = 4,337,968,594.16/84,231.93
  6. Step 6: Final answer
    x = 51,500.29

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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.