Home / 64,133.91-96,221.79-30,856.68

Finding the Fourth Proportional to 64,133.91, 96,221.79 and 30,856.68

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Solution

The fourth proportional to 64,133.91, 96,221.79 and 30,856.68 is: 46,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,133.91 : 96,221.79 = 30,856.68 : x
  2. Step 2: Convert to fraction form
    64,133.91/96,221.79 = 30,856.68/x
  3. Step 3: Cross multiply
    64,133.91x = 96,221.79 × 30,856.68
  4. Step 4: Simplify right side
    64,133.91x = 2,969,084,983.06
  5. Step 5: Solve for x
    x = 2,969,084,983.06/64,133.91
  6. Step 6: Final answer
    x = 46,295.09

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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.