Home / 50,373.12-75,568.86-20,774.52

Finding the Fourth Proportional to 50,373.12, 75,568.86 and 20,774.52

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Solution

The fourth proportional to 50,373.12, 75,568.86 and 20,774.52 is: 31,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,373.12 : 75,568.86 = 20,774.52 : x
  2. Step 2: Convert to fraction form
    50,373.12/75,568.86 = 20,774.52/x
  3. Step 3: Cross multiply
    50,373.12x = 75,568.86 × 20,774.52
  4. Step 4: Simplify right side
    50,373.12x = 1,569,906,793.45
  5. Step 5: Solve for x
    x = 1,569,906,793.45/50,373.12
  6. Step 6: Final answer
    x = 31,165.57

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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.