Home / 54,372.75-75,034.80-33,148.32

Finding the Fourth Proportional to 54,372.75, 75,034.80 and 33,148.32

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Solution

The fourth proportional to 54,372.75, 75,034.80 and 33,148.32 is: 45,744.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,372.75 : 75,034.80 = 33,148.32 : x
  2. Step 2: Convert to fraction form
    54,372.75/75,034.80 = 33,148.32/x
  3. Step 3: Cross multiply
    54,372.75x = 75,034.80 × 33,148.32
  4. Step 4: Simplify right side
    54,372.75x = 2,487,277,561.54
  5. Step 5: Solve for x
    x = 2,487,277,561.54/54,372.75
  6. Step 6: Final answer
    x = 45,744.93

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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.