Home / 71,067.57-98,071.77-40,852.11

Finding the Fourth Proportional to 71,067.57, 98,071.77 and 40,852.11

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Solution

The fourth proportional to 71,067.57, 98,071.77 and 40,852.11 is: 56,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,067.57 : 98,071.77 = 40,852.11 : x
  2. Step 2: Convert to fraction form
    71,067.57/98,071.77 = 40,852.11/x
  3. Step 3: Cross multiply
    71,067.57x = 98,071.77 × 40,852.11
  4. Step 4: Simplify right side
    71,067.57x = 4,006,438,735.93
  5. Step 5: Solve for x
    x = 4,006,438,735.93/71,067.57
  6. Step 6: Final answer
    x = 56,375.06

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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.