Home / 76,677.44-114,930.63-57,896.51

Finding the Fourth Proportional to 76,677.44, 114,930.63 and 57,896.51

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Solution

The fourth proportional to 76,677.44, 114,930.63 and 57,896.51 is: 86,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.44 : 114,930.63 = 57,896.51 : x
  2. Step 2: Convert to fraction form
    76,677.44/114,930.63 = 57,896.51/x
  3. Step 3: Cross multiply
    76,677.44x = 114,930.63 × 57,896.51
  4. Step 4: Simplify right side
    76,677.44x = 6,654,081,794.45
  5. Step 5: Solve for x
    x = 6,654,081,794.45/76,677.44
  6. Step 6: Final answer
    x = 86,780.18

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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.