Home / 76,974.65-115,357.94-34,802.36

Finding the Fourth Proportional to 76,974.65, 115,357.94 and 34,802.36

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Solution

The fourth proportional to 76,974.65, 115,357.94 and 34,802.36 is: 52,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,974.65 : 115,357.94 = 34,802.36 : x
  2. Step 2: Convert to fraction form
    76,974.65/115,357.94 = 34,802.36/x
  3. Step 3: Cross multiply
    76,974.65x = 115,357.94 × 34,802.36
  4. Step 4: Simplify right side
    76,974.65x = 4,014,728,382.73
  5. Step 5: Solve for x
    x = 4,014,728,382.73/76,974.65
  6. Step 6: Final answer
    x = 52,156.50

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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.