Home / 66,555.42-91,850.20-36,343.55

Finding the Fourth Proportional to 66,555.42, 91,850.20 and 36,343.55

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Solution

The fourth proportional to 66,555.42, 91,850.20 and 36,343.55 is: 50,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555.42 : 91,850.20 = 36,343.55 : x
  2. Step 2: Convert to fraction form
    66,555.42/91,850.20 = 36,343.55/x
  3. Step 3: Cross multiply
    66,555.42x = 91,850.20 × 36,343.55
  4. Step 4: Simplify right side
    66,555.42x = 3,338,161,695.24
  5. Step 5: Solve for x
    x = 3,338,161,695.24/66,555.42
  6. Step 6: Final answer
    x = 50,156.12

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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.