Home / 96,576.16-132,981.96-85,664.20

Finding the Fourth Proportional to 96,576.16, 132,981.96 and 85,664.20

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Solution

The fourth proportional to 96,576.16, 132,981.96 and 85,664.20 is: 117,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,576.16 : 132,981.96 = 85,664.20 : x
  2. Step 2: Convert to fraction form
    96,576.16/132,981.96 = 85,664.20/x
  3. Step 3: Cross multiply
    96,576.16x = 132,981.96 × 85,664.20
  4. Step 4: Simplify right side
    96,576.16x = 11,391,793,217.83
  5. Step 5: Solve for x
    x = 11,391,793,217.83/96,576.16
  6. Step 6: Final answer
    x = 117,956.58

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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.