Home / 88,179.14-132,130.47-74,977.22

Finding the Fourth Proportional to 88,179.14, 132,130.47 and 74,977.22

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Solution

The fourth proportional to 88,179.14, 132,130.47 and 74,977.22 is: 112,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.14 : 132,130.47 = 74,977.22 : x
  2. Step 2: Convert to fraction form
    88,179.14/132,130.47 = 74,977.22/x
  3. Step 3: Cross multiply
    88,179.14x = 132,130.47 × 74,977.22
  4. Step 4: Simplify right side
    88,179.14x = 9,906,775,317.89
  5. Step 5: Solve for x
    x = 9,906,775,317.89/88,179.14
  6. Step 6: Final answer
    x = 112,348.29

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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.