Home / 77,076.77-115,612.92-34,926.39

Finding the Fourth Proportional to 77,076.77, 115,612.92 and 34,926.39

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Solution

The fourth proportional to 77,076.77, 115,612.92 and 34,926.39 is: 52,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.77 : 115,612.92 = 34,926.39 : x
  2. Step 2: Convert to fraction form
    77,076.77/115,612.92 = 34,926.39/x
  3. Step 3: Cross multiply
    77,076.77x = 115,612.92 × 34,926.39
  4. Step 4: Simplify right side
    77,076.77x = 4,037,941,932.96
  5. Step 5: Solve for x
    x = 4,037,941,932.96/77,076.77
  6. Step 6: Final answer
    x = 52,388.58

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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.