Home / 45,187.28-67,749.30-32,545.20

Finding the Fourth Proportional to 45,187.28, 67,749.30 and 32,545.20

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Solution

The fourth proportional to 45,187.28, 67,749.30 and 32,545.20 is: 48,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,187.28 : 67,749.30 = 32,545.20 : x
  2. Step 2: Convert to fraction form
    45,187.28/67,749.30 = 32,545.20/x
  3. Step 3: Cross multiply
    45,187.28x = 67,749.30 × 32,545.20
  4. Step 4: Simplify right side
    45,187.28x = 2,204,914,518.36
  5. Step 5: Solve for x
    x = 2,204,914,518.36/45,187.28
  6. Step 6: Final answer
    x = 48,795.03

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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.