Home / 84,855.39-117,121.61-49,066.04

Finding the Fourth Proportional to 84,855.39, 117,121.61 and 49,066.04

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Solution

The fourth proportional to 84,855.39, 117,121.61 and 49,066.04 is: 67,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,855.39 : 117,121.61 = 49,066.04 : x
  2. Step 2: Convert to fraction form
    84,855.39/117,121.61 = 49,066.04/x
  3. Step 3: Cross multiply
    84,855.39x = 117,121.61 × 49,066.04
  4. Step 4: Simplify right side
    84,855.39x = 5,746,693,601.12
  5. Step 5: Solve for x
    x = 5,746,693,601.12/84,855.39
  6. Step 6: Final answer
    x = 67,723.38

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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.