Home / 75,037.31-112,556.13-30,664.06

Finding the Fourth Proportional to 75,037.31, 112,556.13 and 30,664.06

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Solution

The fourth proportional to 75,037.31, 112,556.13 and 30,664.06 is: 45,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,037.31 : 112,556.13 = 30,664.06 : x
  2. Step 2: Convert to fraction form
    75,037.31/112,556.13 = 30,664.06/x
  3. Step 3: Cross multiply
    75,037.31x = 112,556.13 × 30,664.06
  4. Step 4: Simplify right side
    75,037.31x = 3,451,427,923.69
  5. Step 5: Solve for x
    x = 3,451,427,923.69/75,037.31
  6. Step 6: Final answer
    x = 45,996.16

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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.