Home / 71,350.88-98,464.21-39,521.82

Finding the Fourth Proportional to 71,350.88, 98,464.21 and 39,521.82

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Solution

The fourth proportional to 71,350.88, 98,464.21 and 39,521.82 is: 54,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,350.88 : 98,464.21 = 39,521.82 : x
  2. Step 2: Convert to fraction form
    71,350.88/98,464.21 = 39,521.82/x
  3. Step 3: Cross multiply
    71,350.88x = 98,464.21 × 39,521.82
  4. Step 4: Simplify right side
    71,350.88x = 3,891,485,054.50
  5. Step 5: Solve for x
    x = 3,891,485,054.50/71,350.88
  6. Step 6: Final answer
    x = 54,540.12

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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.