Home / 78,592.06-117,821.95-34,185.36

Finding the Fourth Proportional to 78,592.06, 117,821.95 and 34,185.36

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Solution

The fourth proportional to 78,592.06, 117,821.95 and 34,185.36 is: 51,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,592.06 : 117,821.95 = 34,185.36 : x
  2. Step 2: Convert to fraction form
    78,592.06/117,821.95 = 34,185.36/x
  3. Step 3: Cross multiply
    78,592.06x = 117,821.95 × 34,185.36
  4. Step 4: Simplify right side
    78,592.06x = 4,027,785,776.65
  5. Step 5: Solve for x
    x = 4,027,785,776.65/78,592.06
  6. Step 6: Final answer
    x = 51,249.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.