Home / 77,963.56-107,588.48-43,972.12

Finding the Fourth Proportional to 77,963.56, 107,588.48 and 43,972.12

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Solution

The fourth proportional to 77,963.56, 107,588.48 and 43,972.12 is: 60,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963.56 : 107,588.48 = 43,972.12 : x
  2. Step 2: Convert to fraction form
    77,963.56/107,588.48 = 43,972.12/x
  3. Step 3: Cross multiply
    77,963.56x = 107,588.48 × 43,972.12
  4. Step 4: Simplify right side
    77,963.56x = 4,730,892,986.29
  5. Step 5: Solve for x
    x = 4,730,892,986.29/77,963.56
  6. Step 6: Final answer
    x = 60,680.82

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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.