Home / 65,850.23-90,872.62-35,634.89

Finding the Fourth Proportional to 65,850.23, 90,872.62 and 35,634.89

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Solution

The fourth proportional to 65,850.23, 90,872.62 and 35,634.89 is: 49,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.23 : 90,872.62 = 35,634.89 : x
  2. Step 2: Convert to fraction form
    65,850.23/90,872.62 = 35,634.89/x
  3. Step 3: Cross multiply
    65,850.23x = 90,872.62 × 35,634.89
  4. Step 4: Simplify right side
    65,850.23x = 3,238,235,817.71
  5. Step 5: Solve for x
    x = 3,238,235,817.71/65,850.23
  6. Step 6: Final answer
    x = 49,175.77

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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.