Home / 42,964.92-64,456.74-17,664.62

Finding the Fourth Proportional to 42,964.92, 64,456.74 and 17,664.62

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Solution

The fourth proportional to 42,964.92, 64,456.74 and 17,664.62 is: 26,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,964.92 : 64,456.74 = 17,664.62 : x
  2. Step 2: Convert to fraction form
    42,964.92/64,456.74 = 17,664.62/x
  3. Step 3: Cross multiply
    42,964.92x = 64,456.74 × 17,664.62
  4. Step 4: Simplify right side
    42,964.92x = 1,138,603,496.26
  5. Step 5: Solve for x
    x = 1,138,603,496.26/42,964.92
  6. Step 6: Final answer
    x = 26,500.77

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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.