Home / 77,757.32-107,300.70-43,767.26

Finding the Fourth Proportional to 77,757.32, 107,300.70 and 43,767.26

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Solution

The fourth proportional to 77,757.32, 107,300.70 and 43,767.26 is: 60,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,757.32 : 107,300.70 = 43,767.26 : x
  2. Step 2: Convert to fraction form
    77,757.32/107,300.70 = 43,767.26/x
  3. Step 3: Cross multiply
    77,757.32x = 107,300.70 × 43,767.26
  4. Step 4: Simplify right side
    77,757.32x = 4,696,257,635.08
  5. Step 5: Solve for x
    x = 4,696,257,635.08/77,757.32
  6. Step 6: Final answer
    x = 60,396.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.