Home / 54,639.72-75,393.05-33,126.93

Finding the Fourth Proportional to 54,639.72, 75,393.05 and 33,126.93

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Solution

The fourth proportional to 54,639.72, 75,393.05 and 33,126.93 is: 45,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.72 : 75,393.05 = 33,126.93 : x
  2. Step 2: Convert to fraction form
    54,639.72/75,393.05 = 33,126.93/x
  3. Step 3: Cross multiply
    54,639.72x = 75,393.05 × 33,126.93
  4. Step 4: Simplify right side
    54,639.72x = 2,497,540,124.20
  5. Step 5: Solve for x
    x = 2,497,540,124.20/54,639.72
  6. Step 6: Final answer
    x = 45,709.24

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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.