Home / 87,922.48-132,015.48-76,112.68

Finding the Fourth Proportional to 87,922.48, 132,015.48 and 76,112.68

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Solution

The fourth proportional to 87,922.48, 132,015.48 and 76,112.68 is: 114,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922.48 : 132,015.48 = 76,112.68 : x
  2. Step 2: Convert to fraction form
    87,922.48/132,015.48 = 76,112.68/x
  3. Step 3: Cross multiply
    87,922.48x = 132,015.48 × 76,112.68
  4. Step 4: Simplify right side
    87,922.48x = 10,048,051,984.29
  5. Step 5: Solve for x
    x = 10,048,051,984.29/87,922.48
  6. Step 6: Final answer
    x = 114,283.08

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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.