Home / 76,036.66-104,921.43-42,040.56

Finding the Fourth Proportional to 76,036.66, 104,921.43 and 42,040.56

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Solution

The fourth proportional to 76,036.66, 104,921.43 and 42,040.56 is: 58,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.66 : 104,921.43 = 42,040.56 : x
  2. Step 2: Convert to fraction form
    76,036.66/104,921.43 = 42,040.56/x
  3. Step 3: Cross multiply
    76,036.66x = 104,921.43 × 42,040.56
  4. Step 4: Simplify right side
    76,036.66x = 4,410,955,673.20
  5. Step 5: Solve for x
    x = 4,410,955,673.20/76,036.66
  6. Step 6: Final answer
    x = 58,010.91

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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.