Home / 54,975.12-75,865.32-29,824.56

Finding the Fourth Proportional to 54,975.12, 75,865.32 and 29,824.56

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Solution

The fourth proportional to 54,975.12, 75,865.32 and 29,824.56 is: 41,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.12 : 75,865.32 = 29,824.56 : x
  2. Step 2: Convert to fraction form
    54,975.12/75,865.32 = 29,824.56/x
  3. Step 3: Cross multiply
    54,975.12x = 75,865.32 × 29,824.56
  4. Step 4: Simplify right side
    54,975.12x = 2,262,649,788.26
  5. Step 5: Solve for x
    x = 2,262,649,788.26/54,975.12
  6. Step 6: Final answer
    x = 41,157.71

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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.