Home / 75,373.60-113,125.20-33,318.40

Finding the Fourth Proportional to 75,373.60, 113,125.20 and 33,318.40

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Solution

The fourth proportional to 75,373.60, 113,125.20 and 33,318.40 is: 50,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,373.60 : 113,125.20 = 33,318.40 : x
  2. Step 2: Convert to fraction form
    75,373.60/113,125.20 = 33,318.40/x
  3. Step 3: Cross multiply
    75,373.60x = 113,125.20 × 33,318.40
  4. Step 4: Simplify right side
    75,373.60x = 3,769,150,663.68
  5. Step 5: Solve for x
    x = 3,769,150,663.68/75,373.60
  6. Step 6: Final answer
    x = 50,006.24

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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.