Home / 66,069.46-91,251.60-43,509.34

Finding the Fourth Proportional to 66,069.46, 91,251.60 and 43,509.34

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Solution

The fourth proportional to 66,069.46, 91,251.60 and 43,509.34 is: 60,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.46 : 91,251.60 = 43,509.34 : x
  2. Step 2: Convert to fraction form
    66,069.46/91,251.60 = 43,509.34/x
  3. Step 3: Cross multiply
    66,069.46x = 91,251.60 × 43,509.34
  4. Step 4: Simplify right side
    66,069.46x = 3,970,296,889.94
  5. Step 5: Solve for x
    x = 3,970,296,889.94/66,069.46
  6. Step 6: Final answer
    x = 60,092.77

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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.