Home / 83,950.31-115,816.07-55,606.79

Finding the Fourth Proportional to 83,950.31, 115,816.07 and 55,606.79

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Solution

The fourth proportional to 83,950.31, 115,816.07 and 55,606.79 is: 76,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,950.31 : 115,816.07 = 55,606.79 : x
  2. Step 2: Convert to fraction form
    83,950.31/115,816.07 = 55,606.79/x
  3. Step 3: Cross multiply
    83,950.31x = 115,816.07 × 55,606.79
  4. Step 4: Simplify right side
    83,950.31x = 6,440,159,883.12
  5. Step 5: Solve for x
    x = 6,440,159,883.12/83,950.31
  6. Step 6: Final answer
    x = 76,713.95

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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.