Home / 71,287.16-98,388.47-41,067.07

Finding the Fourth Proportional to 71,287.16, 98,388.47 and 41,067.07

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Solution

The fourth proportional to 71,287.16, 98,388.47 and 41,067.07 is: 56,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287.16 : 98,388.47 = 41,067.07 : x
  2. Step 2: Convert to fraction form
    71,287.16/98,388.47 = 41,067.07/x
  3. Step 3: Cross multiply
    71,287.16x = 98,388.47 × 41,067.07
  4. Step 4: Simplify right side
    71,287.16x = 4,040,526,041.38
  5. Step 5: Solve for x
    x = 4,040,526,041.38/71,287.16
  6. Step 6: Final answer
    x = 56,679.58

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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.