Home / 45,591.12-68,342.94-14,405.04

Finding the Fourth Proportional to 45,591.12, 68,342.94 and 14,405.04

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Solution

The fourth proportional to 45,591.12, 68,342.94 and 14,405.04 is: 21,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,591.12 : 68,342.94 = 14,405.04 : x
  2. Step 2: Convert to fraction form
    45,591.12/68,342.94 = 14,405.04/x
  3. Step 3: Cross multiply
    45,591.12x = 68,342.94 × 14,405.04
  4. Step 4: Simplify right side
    45,591.12x = 984,482,784.42
  5. Step 5: Solve for x
    x = 984,482,784.42/45,591.12
  6. Step 6: Final answer
    x = 21,593.74

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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.