Home / 71,979.56-107,971.26-25,235.24

Finding the Fourth Proportional to 71,979.56, 107,971.26 and 25,235.24

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Solution

The fourth proportional to 71,979.56, 107,971.26 and 25,235.24 is: 37,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,979.56 : 107,971.26 = 25,235.24 : x
  2. Step 2: Convert to fraction form
    71,979.56/107,971.26 = 25,235.24/x
  3. Step 3: Cross multiply
    71,979.56x = 107,971.26 × 25,235.24
  4. Step 4: Simplify right side
    71,979.56x = 2,724,680,659.20
  5. Step 5: Solve for x
    x = 2,724,680,659.20/71,979.56
  6. Step 6: Final answer
    x = 37,853.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.