Home / 96,443.36-132,968.45-66,176.12

Finding the Fourth Proportional to 96,443.36, 132,968.45 and 66,176.12

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Solution

The fourth proportional to 96,443.36, 132,968.45 and 66,176.12 is: 91,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,443.36 : 132,968.45 = 66,176.12 : x
  2. Step 2: Convert to fraction form
    96,443.36/132,968.45 = 66,176.12/x
  3. Step 3: Cross multiply
    96,443.36x = 132,968.45 × 66,176.12
  4. Step 4: Simplify right side
    96,443.36x = 8,799,335,438.57
  5. Step 5: Solve for x
    x = 8,799,335,438.57/96,443.36
  6. Step 6: Final answer
    x = 91,238.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.