Home / 95,015.55-131,135.37-54,721.47

Finding the Fourth Proportional to 95,015.55, 131,135.37 and 54,721.47

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Solution

The fourth proportional to 95,015.55, 131,135.37 and 54,721.47 is: 75,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,015.55 : 131,135.37 = 54,721.47 : x
  2. Step 2: Convert to fraction form
    95,015.55/131,135.37 = 54,721.47/x
  3. Step 3: Cross multiply
    95,015.55x = 131,135.37 × 54,721.47
  4. Step 4: Simplify right side
    95,015.55x = 7,175,920,215.39
  5. Step 5: Solve for x
    x = 7,175,920,215.39/95,015.55
  6. Step 6: Final answer
    x = 75,523.64

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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.