Home / 47,907.90-66,112.92-27,776.52

Finding the Fourth Proportional to 47,907.90, 66,112.92 and 27,776.52

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Solution

The fourth proportional to 47,907.90, 66,112.92 and 27,776.52 is: 38,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.90 : 66,112.92 = 27,776.52 : x
  2. Step 2: Convert to fraction form
    47,907.90/66,112.92 = 27,776.52/x
  3. Step 3: Cross multiply
    47,907.90x = 66,112.92 × 27,776.52
  4. Step 4: Simplify right side
    47,907.90x = 1,836,386,844.64
  5. Step 5: Solve for x
    x = 1,836,386,844.64/47,907.90
  6. Step 6: Final answer
    x = 38,331.61

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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.