Home / 42,764.04-64,146.14-16,481.16

Finding the Fourth Proportional to 42,764.04, 64,146.14 and 16,481.16

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Solution

The fourth proportional to 42,764.04, 64,146.14 and 16,481.16 is: 24,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,764.04 : 64,146.14 = 16,481.16 : x
  2. Step 2: Convert to fraction form
    42,764.04/64,146.14 = 16,481.16/x
  3. Step 3: Cross multiply
    42,764.04x = 64,146.14 × 16,481.16
  4. Step 4: Simplify right side
    42,764.04x = 1,057,202,796.72
  5. Step 5: Solve for x
    x = 1,057,202,796.72/42,764.04
  6. Step 6: Final answer
    x = 24,721.77

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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.