Home / 55,544.13-76,571.16-39,600.90

Finding the Fourth Proportional to 55,544.13, 76,571.16 and 39,600.90

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Solution

The fourth proportional to 55,544.13, 76,571.16 and 39,600.90 is: 54,592.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,544.13 : 76,571.16 = 39,600.90 : x
  2. Step 2: Convert to fraction form
    55,544.13/76,571.16 = 39,600.90/x
  3. Step 3: Cross multiply
    55,544.13x = 76,571.16 × 39,600.90
  4. Step 4: Simplify right side
    55,544.13x = 3,032,286,850.04
  5. Step 5: Solve for x
    x = 3,032,286,850.04/55,544.13
  6. Step 6: Final answer
    x = 54,592.39

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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.