Home / 45,416.15-68,121.42-16,947.56

Finding the Fourth Proportional to 45,416.15, 68,121.42 and 16,947.56

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Solution

The fourth proportional to 45,416.15, 68,121.42 and 16,947.56 is: 25,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.15 : 68,121.42 = 16,947.56 : x
  2. Step 2: Convert to fraction form
    45,416.15/68,121.42 = 16,947.56/x
  3. Step 3: Cross multiply
    45,416.15x = 68,121.42 × 16,947.56
  4. Step 4: Simplify right side
    45,416.15x = 1,154,491,852.74
  5. Step 5: Solve for x
    x = 1,154,491,852.74/45,416.15
  6. Step 6: Final answer
    x = 25,420.29

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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.