Home / 106,485.48-159,728.06-27,599.78

Finding the Fourth Proportional to 106,485.48, 159,728.06 and 27,599.78

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Solution

The fourth proportional to 106,485.48, 159,728.06 and 27,599.78 is: 41,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,485.48 : 159,728.06 = 27,599.78 : x
  2. Step 2: Convert to fraction form
    106,485.48/159,728.06 = 27,599.78/x
  3. Step 3: Cross multiply
    106,485.48x = 159,728.06 × 27,599.78
  4. Step 4: Simplify right side
    106,485.48x = 4,408,459,315.83
  5. Step 5: Solve for x
    x = 4,408,459,315.83/106,485.48
  6. Step 6: Final answer
    x = 41,399.63

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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.