Home / 66,229.65-91,381.37-44,758.78

Finding the Fourth Proportional to 66,229.65, 91,381.37 and 44,758.78

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Solution

The fourth proportional to 66,229.65, 91,381.37 and 44,758.78 is: 61,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,229.65 : 91,381.37 = 44,758.78 : x
  2. Step 2: Convert to fraction form
    66,229.65/91,381.37 = 44,758.78/x
  3. Step 3: Cross multiply
    66,229.65x = 91,381.37 × 44,758.78
  4. Step 4: Simplify right side
    66,229.65x = 4,090,118,183.68
  5. Step 5: Solve for x
    x = 4,090,118,183.68/66,229.65
  6. Step 6: Final answer
    x = 61,756.60

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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.