Home / 109,321.52-150,872.88-61,584.24

Finding the Fourth Proportional to 109,321.52, 150,872.88 and 61,584.24

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Solution

The fourth proportional to 109,321.52, 150,872.88 and 61,584.24 is: 84,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,321.52 : 150,872.88 = 61,584.24 : x
  2. Step 2: Convert to fraction form
    109,321.52/150,872.88 = 61,584.24/x
  3. Step 3: Cross multiply
    109,321.52x = 150,872.88 × 61,584.24
  4. Step 4: Simplify right side
    109,321.52x = 9,291,391,651.41
  5. Step 5: Solve for x
    x = 9,291,391,651.41/109,321.52
  6. Step 6: Final answer
    x = 84,991.42

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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.