Home / 49,385.78-74,019.46-25,345.35

Finding the Fourth Proportional to 49,385.78, 74,019.46 and 25,345.35

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Solution

The fourth proportional to 49,385.78, 74,019.46 and 25,345.35 is: 37,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.78 : 74,019.46 = 25,345.35 : x
  2. Step 2: Convert to fraction form
    49,385.78/74,019.46 = 25,345.35/x
  3. Step 3: Cross multiply
    49,385.78x = 74,019.46 × 25,345.35
  4. Step 4: Simplify right side
    49,385.78x = 1,876,049,057.15
  5. Step 5: Solve for x
    x = 1,876,049,057.15/49,385.78
  6. Step 6: Final answer
    x = 37,987.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.