Home / 77,939.33-116,921.28-25,336.50

Finding the Fourth Proportional to 77,939.33, 116,921.28 and 25,336.50

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Solution

The fourth proportional to 77,939.33, 116,921.28 and 25,336.50 is: 38,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939.33 : 116,921.28 = 25,336.50 : x
  2. Step 2: Convert to fraction form
    77,939.33/116,921.28 = 25,336.50/x
  3. Step 3: Cross multiply
    77,939.33x = 116,921.28 × 25,336.50
  4. Step 4: Simplify right side
    77,939.33x = 2,962,376,010.72
  5. Step 5: Solve for x
    x = 2,962,376,010.72/77,939.33
  6. Step 6: Final answer
    x = 38,008.75

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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.