Home / 69,385.75-95,728.84-45,175.66

Finding the Fourth Proportional to 69,385.75, 95,728.84 and 45,175.66

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Solution

The fourth proportional to 69,385.75, 95,728.84 and 45,175.66 is: 62,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.75 : 95,728.84 = 45,175.66 : x
  2. Step 2: Convert to fraction form
    69,385.75/95,728.84 = 45,175.66/x
  3. Step 3: Cross multiply
    69,385.75x = 95,728.84 × 45,175.66
  4. Step 4: Simplify right side
    69,385.75x = 4,324,613,175.77
  5. Step 5: Solve for x
    x = 4,324,613,175.77/69,385.75
  6. Step 6: Final answer
    x = 62,327.11

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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.