Home / 66,225.42-91,391.18-36,010.71

Finding the Fourth Proportional to 66,225.42, 91,391.18 and 36,010.71

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Solution

The fourth proportional to 66,225.42, 91,391.18 and 36,010.71 is: 49,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.42 : 91,391.18 = 36,010.71 : x
  2. Step 2: Convert to fraction form
    66,225.42/91,391.18 = 36,010.71/x
  3. Step 3: Cross multiply
    66,225.42x = 91,391.18 × 36,010.71
  4. Step 4: Simplify right side
    66,225.42x = 3,291,061,099.48
  5. Step 5: Solve for x
    x = 3,291,061,099.48/66,225.42
  6. Step 6: Final answer
    x = 49,694.83

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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.