Home / 52,138.08-78,218.46-17,076.42

Finding the Fourth Proportional to 52,138.08, 78,218.46 and 17,076.42

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Solution

The fourth proportional to 52,138.08, 78,218.46 and 17,076.42 is: 25,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,138.08 : 78,218.46 = 17,076.42 : x
  2. Step 2: Convert to fraction form
    52,138.08/78,218.46 = 17,076.42/x
  3. Step 3: Cross multiply
    52,138.08x = 78,218.46 × 17,076.42
  4. Step 4: Simplify right side
    52,138.08x = 1,335,691,274.71
  5. Step 5: Solve for x
    x = 1,335,691,274.71/52,138.08
  6. Step 6: Final answer
    x = 25,618.34

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1.5x scale

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.