Home / 75,412.18-113,132.85-25,500.39

Finding the Fourth Proportional to 75,412.18, 113,132.85 and 25,500.39

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Solution

The fourth proportional to 75,412.18, 113,132.85 and 25,500.39 is: 38,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.18 : 113,132.85 = 25,500.39 : x
  2. Step 2: Convert to fraction form
    75,412.18/113,132.85 = 25,500.39/x
  3. Step 3: Cross multiply
    75,412.18x = 113,132.85 × 25,500.39
  4. Step 4: Simplify right side
    75,412.18x = 2,884,931,796.81
  5. Step 5: Solve for x
    x = 2,884,931,796.81/75,412.18
  6. Step 6: Final answer
    x = 38,255.52

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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.