Home / 75,459.06-113,192.37-28,715.58

Finding the Fourth Proportional to 75,459.06, 113,192.37 and 28,715.58

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Solution

The fourth proportional to 75,459.06, 113,192.37 and 28,715.58 is: 43,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.06 : 113,192.37 = 28,715.58 : x
  2. Step 2: Convert to fraction form
    75,459.06/113,192.37 = 28,715.58/x
  3. Step 3: Cross multiply
    75,459.06x = 113,192.37 × 28,715.58
  4. Step 4: Simplify right side
    75,459.06x = 3,250,384,556.12
  5. Step 5: Solve for x
    x = 3,250,384,556.12/75,459.06
  6. Step 6: Final answer
    x = 43,074.81

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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.