Home / 71,524.12-98,703.44-39,693.08

Finding the Fourth Proportional to 71,524.12, 98,703.44 and 39,693.08

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Solution

The fourth proportional to 71,524.12, 98,703.44 and 39,693.08 is: 54,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,524.12 : 98,703.44 = 39,693.08 : x
  2. Step 2: Convert to fraction form
    71,524.12/98,703.44 = 39,693.08/x
  3. Step 3: Cross multiply
    71,524.12x = 98,703.44 × 39,693.08
  4. Step 4: Simplify right side
    71,524.12x = 3,917,843,540.20
  5. Step 5: Solve for x
    x = 3,917,843,540.20/71,524.12
  6. Step 6: Final answer
    x = 54,776.54

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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.