Home / 54,174.78-74,807.34-34,065.30

Finding the Fourth Proportional to 54,174.78, 74,807.34 and 34,065.30

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Solution

The fourth proportional to 54,174.78, 74,807.34 and 34,065.30 is: 47,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.78 : 74,807.34 = 34,065.30 : x
  2. Step 2: Convert to fraction form
    54,174.78/74,807.34 = 34,065.30/x
  3. Step 3: Cross multiply
    54,174.78x = 74,807.34 × 34,065.30
  4. Step 4: Simplify right side
    54,174.78x = 2,548,334,479.30
  5. Step 5: Solve for x
    x = 2,548,334,479.30/54,174.78
  6. Step 6: Final answer
    x = 47,039.13

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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.