Home / 66,351.36-91,468.08-50,408.04

Finding the Fourth Proportional to 66,351.36, 91,468.08 and 50,408.04

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Solution

The fourth proportional to 66,351.36, 91,468.08 and 50,408.04 is: 69,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,351.36 : 91,468.08 = 50,408.04 : x
  2. Step 2: Convert to fraction form
    66,351.36/91,468.08 = 50,408.04/x
  3. Step 3: Cross multiply
    66,351.36x = 91,468.08 × 50,408.04
  4. Step 4: Simplify right side
    66,351.36x = 4,610,726,635.36
  5. Step 5: Solve for x
    x = 4,610,726,635.36/66,351.36
  6. Step 6: Final answer
    x = 69,489.56

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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.