Home / 77,657.64-116,467.20-33,279.36

Finding the Fourth Proportional to 77,657.64, 116,467.20 and 33,279.36

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Solution

The fourth proportional to 77,657.64, 116,467.20 and 33,279.36 is: 49,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,657.64 : 116,467.20 = 33,279.36 : x
  2. Step 2: Convert to fraction form
    77,657.64/116,467.20 = 33,279.36/x
  3. Step 3: Cross multiply
    77,657.64x = 116,467.20 × 33,279.36
  4. Step 4: Simplify right side
    77,657.64x = 3,875,953,876.99
  5. Step 5: Solve for x
    x = 3,875,953,876.99/77,657.64
  6. Step 6: Final answer
    x = 49,910.79

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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.