Home / 87,927.83-121,326.68-52,112.06

Finding the Fourth Proportional to 87,927.83, 121,326.68 and 52,112.06

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Solution

The fourth proportional to 87,927.83, 121,326.68 and 52,112.06 is: 71,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,927.83 : 121,326.68 = 52,112.06 : x
  2. Step 2: Convert to fraction form
    87,927.83/121,326.68 = 52,112.06/x
  3. Step 3: Cross multiply
    87,927.83x = 121,326.68 × 52,112.06
  4. Step 4: Simplify right side
    87,927.83x = 6,322,582,360.57
  5. Step 5: Solve for x
    x = 6,322,582,360.57/87,927.83
  6. Step 6: Final answer
    x = 71,906.50

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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.