Home / 83,899.04-115,781.04-48,091.12

Finding the Fourth Proportional to 83,899.04, 115,781.04 and 48,091.12

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Solution

The fourth proportional to 83,899.04, 115,781.04 and 48,091.12 is: 66,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,899.04 : 115,781.04 = 48,091.12 : x
  2. Step 2: Convert to fraction form
    83,899.04/115,781.04 = 48,091.12/x
  3. Step 3: Cross multiply
    83,899.04x = 115,781.04 × 48,091.12
  4. Step 4: Simplify right side
    83,899.04x = 5,568,039,888.36
  5. Step 5: Solve for x
    x = 5,568,039,888.36/83,899.04
  6. Step 6: Final answer
    x = 66,365.95

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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.