Home / 66,069.74-91,251.94-43,509.57

Finding the Fourth Proportional to 66,069.74, 91,251.94 and 43,509.57

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Solution

The fourth proportional to 66,069.74, 91,251.94 and 43,509.57 is: 60,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.74 : 91,251.94 = 43,509.57 : x
  2. Step 2: Convert to fraction form
    66,069.74/91,251.94 = 43,509.57/x
  3. Step 3: Cross multiply
    66,069.74x = 91,251.94 × 43,509.57
  4. Step 4: Simplify right side
    66,069.74x = 3,970,332,562.29
  5. Step 5: Solve for x
    x = 3,970,332,562.29/66,069.74
  6. Step 6: Final answer
    x = 60,093.05

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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.