Home / 69,073.40-95,317.62-40,768.76

Finding the Fourth Proportional to 69,073.40, 95,317.62 and 40,768.76

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Solution

The fourth proportional to 69,073.40, 95,317.62 and 40,768.76 is: 56,258.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.40 : 95,317.62 = 40,768.76 : x
  2. Step 2: Convert to fraction form
    69,073.40/95,317.62 = 40,768.76/x
  3. Step 3: Cross multiply
    69,073.40x = 95,317.62 × 40,768.76
  4. Step 4: Simplify right side
    69,073.40x = 3,885,981,173.55
  5. Step 5: Solve for x
    x = 3,885,981,173.55/69,073.40
  6. Step 6: Final answer
    x = 56,258.72

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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.