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Finding the Fourth Proportional to 57,752.60, 86,678.10 and 34,025.39

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Solution

The fourth proportional to 57,752.60, 86,678.10 and 34,025.39 is: 51,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,752.60 : 86,678.10 = 34,025.39 : x
  2. Step 2: Convert to fraction form
    57,752.60/86,678.10 = 34,025.39/x
  3. Step 3: Cross multiply
    57,752.60x = 86,678.10 × 34,025.39
  4. Step 4: Simplify right side
    57,752.60x = 2,949,256,292.39
  5. Step 5: Solve for x
    x = 2,949,256,292.39/57,752.60
  6. Step 6: Final answer
    x = 51,067.08

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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.