Home / 64,001.52-96,016.32-19,631.61

Finding the Fourth Proportional to 64,001.52, 96,016.32 and 19,631.61

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Solution

The fourth proportional to 64,001.52, 96,016.32 and 19,631.61 is: 29,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,001.52 : 96,016.32 = 19,631.61 : x
  2. Step 2: Convert to fraction form
    64,001.52/96,016.32 = 19,631.61/x
  3. Step 3: Cross multiply
    64,001.52x = 96,016.32 × 19,631.61
  4. Step 4: Simplify right side
    64,001.52x = 1,884,954,947.88
  5. Step 5: Solve for x
    x = 1,884,954,947.88/64,001.52
  6. Step 6: Final answer
    x = 29,451.72

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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.