Home / 52,050.97-78,076.25-12,608.02

Finding the Fourth Proportional to 52,050.97, 78,076.25 and 12,608.02

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Solution

The fourth proportional to 52,050.97, 78,076.25 and 12,608.02 is: 18,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,050.97 : 78,076.25 = 12,608.02 : x
  2. Step 2: Convert to fraction form
    52,050.97/78,076.25 = 12,608.02/x
  3. Step 3: Cross multiply
    52,050.97x = 78,076.25 × 12,608.02
  4. Step 4: Simplify right side
    52,050.97x = 984,386,468.10
  5. Step 5: Solve for x
    x = 984,386,468.10/52,050.97
  6. Step 6: Final answer
    x = 18,911.97

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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.