Home / 64,979.90-97,481.99-20,594.74

Finding the Fourth Proportional to 64,979.90, 97,481.99 and 20,594.74

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Solution

The fourth proportional to 64,979.90, 97,481.99 and 20,594.74 is: 30,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.90 : 97,481.99 = 20,594.74 : x
  2. Step 2: Convert to fraction form
    64,979.90/97,481.99 = 20,594.74/x
  3. Step 3: Cross multiply
    64,979.90x = 97,481.99 × 20,594.74
  4. Step 4: Simplify right side
    64,979.90x = 2,007,616,238.73
  5. Step 5: Solve for x
    x = 2,007,616,238.73/64,979.90
  6. Step 6: Final answer
    x = 30,895.96

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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.