Home / 68,940.19-95,133.79-38,726.79

Finding the Fourth Proportional to 68,940.19, 95,133.79 and 38,726.79

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Solution

The fourth proportional to 68,940.19, 95,133.79 and 38,726.79 is: 53,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,940.19 : 95,133.79 = 38,726.79 : x
  2. Step 2: Convert to fraction form
    68,940.19/95,133.79 = 38,726.79/x
  3. Step 3: Cross multiply
    68,940.19x = 95,133.79 × 38,726.79
  4. Step 4: Simplify right side
    68,940.19x = 3,684,226,307.23
  5. Step 5: Solve for x
    x = 3,684,226,307.23/68,940.19
  6. Step 6: Final answer
    x = 53,440.91

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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.