Home / 75,134.10-112,659.03-51,468.39

Finding the Fourth Proportional to 75,134.10, 112,659.03 and 51,468.39

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Solution

The fourth proportional to 75,134.10, 112,659.03 and 51,468.39 is: 77,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.10 : 112,659.03 = 51,468.39 : x
  2. Step 2: Convert to fraction form
    75,134.10/112,659.03 = 51,468.39/x
  3. Step 3: Cross multiply
    75,134.10x = 112,659.03 × 51,468.39
  4. Step 4: Simplify right side
    75,134.10x = 5,798,378,893.06
  5. Step 5: Solve for x
    x = 5,798,378,893.06/75,134.10
  6. Step 6: Final answer
    x = 77,173.73

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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.