Home / 80,538.72-111,145.44-44,727

Finding the Fourth Proportional to 80,538.72, 111,145.44 and 44,727

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Solution

The fourth proportional to 80,538.72, 111,145.44 and 44,727 is: 61,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.72 : 111,145.44 = 44,727 : x
  2. Step 2: Convert to fraction form
    80,538.72/111,145.44 = 44,727/x
  3. Step 3: Cross multiply
    80,538.72x = 111,145.44 × 44,727
  4. Step 4: Simplify right side
    80,538.72x = 4,971,202,094.88
  5. Step 5: Solve for x
    x = 4,971,202,094.88/80,538.72
  6. Step 6: Final answer
    x = 61,724.37

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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.