Home / 71,066.75-98,067.89-38,794.94

Finding the Fourth Proportional to 71,066.75, 98,067.89 and 38,794.94

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Solution

The fourth proportional to 71,066.75, 98,067.89 and 38,794.94 is: 53,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,066.75 : 98,067.89 = 38,794.94 : x
  2. Step 2: Convert to fraction form
    71,066.75/98,067.89 = 38,794.94/x
  3. Step 3: Cross multiply
    71,066.75x = 98,067.89 × 38,794.94
  4. Step 4: Simplify right side
    71,066.75x = 3,804,537,515.12
  5. Step 5: Solve for x
    x = 3,804,537,515.12/71,066.75
  6. Step 6: Final answer
    x = 53,534.70

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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.