Home / 116,701.92-161,049.62-66,404.16

Finding the Fourth Proportional to 116,701.92, 161,049.62 and 66,404.16

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Solution

The fourth proportional to 116,701.92, 161,049.62 and 66,404.16 is: 91,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,701.92 : 161,049.62 = 66,404.16 : x
  2. Step 2: Convert to fraction form
    116,701.92/161,049.62 = 66,404.16/x
  3. Step 3: Cross multiply
    116,701.92x = 161,049.62 × 66,404.16
  4. Step 4: Simplify right side
    116,701.92x = 10,694,364,734.42
  5. Step 5: Solve for x
    x = 10,694,364,734.42/116,701.92
  6. Step 6: Final answer
    x = 91,638.29

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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.