Home / 42,719.97-64,049.16-26,076.09

Finding the Fourth Proportional to 42,719.97, 64,049.16 and 26,076.09

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Solution

The fourth proportional to 42,719.97, 64,049.16 and 26,076.09 is: 39,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,719.97 : 64,049.16 = 26,076.09 : x
  2. Step 2: Convert to fraction form
    42,719.97/64,049.16 = 26,076.09/x
  3. Step 3: Cross multiply
    42,719.97x = 64,049.16 × 26,076.09
  4. Step 4: Simplify right side
    42,719.97x = 1,670,151,660.58
  5. Step 5: Solve for x
    x = 1,670,151,660.58/42,719.97
  6. Step 6: Final answer
    x = 39,095.34

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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.