Home / 77,546.17-107,054.36-52,185.88

Finding the Fourth Proportional to 77,546.17, 107,054.36 and 52,185.88

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Solution

The fourth proportional to 77,546.17, 107,054.36 and 52,185.88 is: 72,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.17 : 107,054.36 = 52,185.88 : x
  2. Step 2: Convert to fraction form
    77,546.17/107,054.36 = 52,185.88/x
  3. Step 3: Cross multiply
    77,546.17x = 107,054.36 × 52,185.88
  4. Step 4: Simplify right side
    77,546.17x = 5,586,725,984.44
  5. Step 5: Solve for x
    x = 5,586,725,984.44/77,546.17
  6. Step 6: Final answer
    x = 72,043.87

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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.