Home / 95,292.21-131,557.05-65,121.33

Finding the Fourth Proportional to 95,292.21, 131,557.05 and 65,121.33

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Solution

The fourth proportional to 95,292.21, 131,557.05 and 65,121.33 is: 89,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,292.21 : 131,557.05 = 65,121.33 : x
  2. Step 2: Convert to fraction form
    95,292.21/131,557.05 = 65,121.33/x
  3. Step 3: Cross multiply
    95,292.21x = 131,557.05 × 65,121.33
  4. Step 4: Simplify right side
    95,292.21x = 8,567,170,066.88
  5. Step 5: Solve for x
    x = 8,567,170,066.88/95,292.21
  6. Step 6: Final answer
    x = 89,904.20

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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.