Home / 96,438.19-132,995.91-66,170.11

Finding the Fourth Proportional to 96,438.19, 132,995.91 and 66,170.11

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Solution

The fourth proportional to 96,438.19, 132,995.91 and 66,170.11 is: 91,253.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,438.19 : 132,995.91 = 66,170.11 : x
  2. Step 2: Convert to fraction form
    96,438.19/132,995.91 = 66,170.11/x
  3. Step 3: Cross multiply
    96,438.19x = 132,995.91 × 66,170.11
  4. Step 4: Simplify right side
    96,438.19x = 8,800,353,994.25
  5. Step 5: Solve for x
    x = 8,800,353,994.25/96,438.19
  6. Step 6: Final answer
    x = 91,253.83

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1.5x scale

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.