Home / 77,259.76-115,941.57-27,339.65

Finding the Fourth Proportional to 77,259.76, 115,941.57 and 27,339.65

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Solution

The fourth proportional to 77,259.76, 115,941.57 and 27,339.65 is: 41,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,259.76 : 115,941.57 = 27,339.65 : x
  2. Step 2: Convert to fraction form
    77,259.76/115,941.57 = 27,339.65/x
  3. Step 3: Cross multiply
    77,259.76x = 115,941.57 × 27,339.65
  4. Step 4: Simplify right side
    77,259.76x = 3,169,801,944.25
  5. Step 5: Solve for x
    x = 3,169,801,944.25/77,259.76
  6. Step 6: Final answer
    x = 41,027.85

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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.