Home / 64,636.71-96,979.38-22,519.95

Finding the Fourth Proportional to 64,636.71, 96,979.38 and 22,519.95

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Solution

The fourth proportional to 64,636.71, 96,979.38 and 22,519.95 is: 33,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,636.71 : 96,979.38 = 22,519.95 : x
  2. Step 2: Convert to fraction form
    64,636.71/96,979.38 = 22,519.95/x
  3. Step 3: Cross multiply
    64,636.71x = 96,979.38 × 22,519.95
  4. Step 4: Simplify right side
    64,636.71x = 2,183,970,788.63
  5. Step 5: Solve for x
    x = 2,183,970,788.63/64,636.71
  6. Step 6: Final answer
    x = 33,788.40

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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.