Home / 88,588.49-132,478.73-66,115.04

Finding the Fourth Proportional to 88,588.49, 132,478.73 and 66,115.04

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Solution

The fourth proportional to 88,588.49, 132,478.73 and 66,115.04 is: 98,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,588.49 : 132,478.73 = 66,115.04 : x
  2. Step 2: Convert to fraction form
    88,588.49/132,478.73 = 66,115.04/x
  3. Step 3: Cross multiply
    88,588.49x = 132,478.73 × 66,115.04
  4. Step 4: Simplify right side
    88,588.49x = 8,758,835,540.13
  5. Step 5: Solve for x
    x = 8,758,835,540.13/88,588.49
  6. Step 6: Final answer
    x = 98,871.04

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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.