Home / 77,788.90-116,654.73-27,855.46

Finding the Fourth Proportional to 77,788.90, 116,654.73 and 27,855.46

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Solution

The fourth proportional to 77,788.90, 116,654.73 and 27,855.46 is: 41,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,788.90 : 116,654.73 = 27,855.46 : x
  2. Step 2: Convert to fraction form
    77,788.90/116,654.73 = 27,855.46/x
  3. Step 3: Cross multiply
    77,788.90x = 116,654.73 × 27,855.46
  4. Step 4: Simplify right side
    77,788.90x = 3,249,471,165.33
  5. Step 5: Solve for x
    x = 3,249,471,165.33/77,788.90
  6. Step 6: Final answer
    x = 41,772.94

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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.