Home / 75,319.24-112,800.68-65,404.64

Finding the Fourth Proportional to 75,319.24, 112,800.68 and 65,404.64

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Solution

The fourth proportional to 75,319.24, 112,800.68 and 65,404.64 is: 97,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,319.24 : 112,800.68 = 65,404.64 : x
  2. Step 2: Convert to fraction form
    75,319.24/112,800.68 = 65,404.64/x
  3. Step 3: Cross multiply
    75,319.24x = 112,800.68 × 65,404.64
  4. Step 4: Simplify right side
    75,319.24x = 7,377,687,867.16
  5. Step 5: Solve for x
    x = 7,377,687,867.16/75,319.24
  6. Step 6: Final answer
    x = 97,952.23

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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.