Home / 112,990.69-155,921.87-62,002.14

Finding the Fourth Proportional to 112,990.69, 155,921.87 and 62,002.14

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Solution

The fourth proportional to 112,990.69, 155,921.87 and 62,002.14 is: 85,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,990.69 : 155,921.87 = 62,002.14 : x
  2. Step 2: Convert to fraction form
    112,990.69/155,921.87 = 62,002.14/x
  3. Step 3: Cross multiply
    112,990.69x = 155,921.87 × 62,002.14
  4. Step 4: Simplify right side
    112,990.69x = 9,667,489,183.10
  5. Step 5: Solve for x
    x = 9,667,489,183.10/112,990.69
  6. Step 6: Final answer
    x = 85,560.05

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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.