Home / 54,645.07-75,411.26-33,129.55

Finding the Fourth Proportional to 54,645.07, 75,411.26 and 33,129.55

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Solution

The fourth proportional to 54,645.07, 75,411.26 and 33,129.55 is: 45,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.07 : 75,411.26 = 33,129.55 : x
  2. Step 2: Convert to fraction form
    54,645.07/75,411.26 = 33,129.55/x
  3. Step 3: Cross multiply
    54,645.07x = 75,411.26 × 33,129.55
  4. Step 4: Simplify right side
    54,645.07x = 2,498,340,923.75
  5. Step 5: Solve for x
    x = 2,498,340,923.75/54,645.07
  6. Step 6: Final answer
    x = 45,719.42

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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.