Home / 64,835.78-89,481.06-36,160.11

Finding the Fourth Proportional to 64,835.78, 89,481.06 and 36,160.11

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Solution

The fourth proportional to 64,835.78, 89,481.06 and 36,160.11 is: 49,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,835.78 : 89,481.06 = 36,160.11 : x
  2. Step 2: Convert to fraction form
    64,835.78/89,481.06 = 36,160.11/x
  3. Step 3: Cross multiply
    64,835.78x = 89,481.06 × 36,160.11
  4. Step 4: Simplify right side
    64,835.78x = 3,235,644,972.52
  5. Step 5: Solve for x
    x = 3,235,644,972.52/64,835.78
  6. Step 6: Final answer
    x = 49,905.24

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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.