Home / 45,350.85-68,026.43-13,761.18

Finding the Fourth Proportional to 45,350.85, 68,026.43 and 13,761.18

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Solution

The fourth proportional to 45,350.85, 68,026.43 and 13,761.18 is: 20,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.85 : 68,026.43 = 13,761.18 : x
  2. Step 2: Convert to fraction form
    45,350.85/68,026.43 = 13,761.18/x
  3. Step 3: Cross multiply
    45,350.85x = 68,026.43 × 13,761.18
  4. Step 4: Simplify right side
    45,350.85x = 936,123,947.99
  5. Step 5: Solve for x
    x = 936,123,947.99/45,350.85
  6. Step 6: Final answer
    x = 20,641.82

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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.