Home / 75,856.78-104,687.13-43,601.72

Finding the Fourth Proportional to 75,856.78, 104,687.13 and 43,601.72

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Solution

The fourth proportional to 75,856.78, 104,687.13 and 43,601.72 is: 60,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,856.78 : 104,687.13 = 43,601.72 : x
  2. Step 2: Convert to fraction form
    75,856.78/104,687.13 = 43,601.72/x
  3. Step 3: Cross multiply
    75,856.78x = 104,687.13 × 43,601.72
  4. Step 4: Simplify right side
    75,856.78x = 4,564,538,864.37
  5. Step 5: Solve for x
    x = 4,564,538,864.37/75,856.78
  6. Step 6: Final answer
    x = 60,173.12

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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.