Home / 77,680.22-116,520.39-33,278.18

Finding the Fourth Proportional to 77,680.22, 116,520.39 and 33,278.18

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Solution

The fourth proportional to 77,680.22, 116,520.39 and 33,278.18 is: 49,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,680.22 : 116,520.39 = 33,278.18 : x
  2. Step 2: Convert to fraction form
    77,680.22/116,520.39 = 33,278.18/x
  3. Step 3: Cross multiply
    77,680.22x = 116,520.39 × 33,278.18
  4. Step 4: Simplify right side
    77,680.22x = 3,877,585,929.49
  5. Step 5: Solve for x
    x = 3,877,585,929.49/77,680.22
  6. Step 6: Final answer
    x = 49,917.29

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1.5x scale

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.