Home / 45,231.18-67,761.12-30,192.95

Finding the Fourth Proportional to 45,231.18, 67,761.12 and 30,192.95

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Solution

The fourth proportional to 45,231.18, 67,761.12 and 30,192.95 is: 45,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.18 : 67,761.12 = 30,192.95 : x
  2. Step 2: Convert to fraction form
    45,231.18/67,761.12 = 30,192.95/x
  3. Step 3: Cross multiply
    45,231.18x = 67,761.12 × 30,192.95
  4. Step 4: Simplify right side
    45,231.18x = 2,045,907,769.30
  5. Step 5: Solve for x
    x = 2,045,907,769.30/45,231.18
  6. Step 6: Final answer
    x = 45,232.24

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1.5x scale

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.