Home / 75,542.60-113,350.35-53,308.10

Finding the Fourth Proportional to 75,542.60, 113,350.35 and 53,308.10

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Solution

The fourth proportional to 75,542.60, 113,350.35 and 53,308.10 is: 79,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,542.60 : 113,350.35 = 53,308.10 : x
  2. Step 2: Convert to fraction form
    75,542.60/113,350.35 = 53,308.10/x
  3. Step 3: Cross multiply
    75,542.60x = 113,350.35 × 53,308.10
  4. Step 4: Simplify right side
    75,542.60x = 6,042,491,792.84
  5. Step 5: Solve for x
    x = 6,042,491,792.84/75,542.60
  6. Step 6: Final answer
    x = 79,987.87

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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.