Home / 106,533.99-159,759.46-39,937.78

Finding the Fourth Proportional to 106,533.99, 159,759.46 and 39,937.78

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Solution

The fourth proportional to 106,533.99, 159,759.46 and 39,937.78 is: 59,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,533.99 : 159,759.46 = 39,937.78 : x
  2. Step 2: Convert to fraction form
    106,533.99/159,759.46 = 39,937.78/x
  3. Step 3: Cross multiply
    106,533.99x = 159,759.46 × 39,937.78
  4. Step 4: Simplify right side
    106,533.99x = 6,380,438,191.37
  5. Step 5: Solve for x
    x = 6,380,438,191.37/106,533.99
  6. Step 6: Final answer
    x = 59,891.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.