Home / 77,721.66-107,258.31-44,189.82

Finding the Fourth Proportional to 77,721.66, 107,258.31 and 44,189.82

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Solution

The fourth proportional to 77,721.66, 107,258.31 and 44,189.82 is: 60,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,721.66 : 107,258.31 = 44,189.82 : x
  2. Step 2: Convert to fraction form
    77,721.66/107,258.31 = 44,189.82/x
  3. Step 3: Cross multiply
    77,721.66x = 107,258.31 × 44,189.82
  4. Step 4: Simplify right side
    77,721.66x = 4,739,725,412.40
  5. Step 5: Solve for x
    x = 4,739,725,412.40/77,721.66
  6. Step 6: Final answer
    x = 60,983.33

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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.