Home / 88,181.14-132,133.47-74,979.22

Finding the Fourth Proportional to 88,181.14, 132,133.47 and 74,979.22

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Solution

The fourth proportional to 88,181.14, 132,133.47 and 74,979.22 is: 112,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,181.14 : 132,133.47 = 74,979.22 : x
  2. Step 2: Convert to fraction form
    88,181.14/132,133.47 = 74,979.22/x
  3. Step 3: Cross multiply
    88,181.14x = 132,133.47 × 74,979.22
  4. Step 4: Simplify right side
    88,181.14x = 9,907,264,516.49
  5. Step 5: Solve for x
    x = 9,907,264,516.49/88,181.14
  6. Step 6: Final answer
    x = 112,351.29

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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.