Home / 66,622.12-91,943.76-37,942.99

Finding the Fourth Proportional to 66,622.12, 91,943.76 and 37,942.99

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Solution

The fourth proportional to 66,622.12, 91,943.76 and 37,942.99 is: 52,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,622.12 : 91,943.76 = 37,942.99 : x
  2. Step 2: Convert to fraction form
    66,622.12/91,943.76 = 37,942.99/x
  3. Step 3: Cross multiply
    66,622.12x = 91,943.76 × 37,942.99
  4. Step 4: Simplify right side
    66,622.12x = 3,488,620,936.38
  5. Step 5: Solve for x
    x = 3,488,620,936.38/66,622.12
  6. Step 6: Final answer
    x = 52,364.31

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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.