Home / 45,687.12-68,538.78-16,122.12

Finding the Fourth Proportional to 45,687.12, 68,538.78 and 16,122.12

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Solution

The fourth proportional to 45,687.12, 68,538.78 and 16,122.12 is: 24,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687.12 : 68,538.78 = 16,122.12 : x
  2. Step 2: Convert to fraction form
    45,687.12/68,538.78 = 16,122.12/x
  3. Step 3: Cross multiply
    45,687.12x = 68,538.78 × 16,122.12
  4. Step 4: Simplify right side
    45,687.12x = 1,104,990,435.81
  5. Step 5: Solve for x
    x = 1,104,990,435.81/45,687.12
  6. Step 6: Final answer
    x = 24,186.04

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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.