Home / 51,192.23-76,789.56-13,752.35

Finding the Fourth Proportional to 51,192.23, 76,789.56 and 13,752.35

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Solution

The fourth proportional to 51,192.23, 76,789.56 and 13,752.35 is: 20,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,192.23 : 76,789.56 = 13,752.35 : x
  2. Step 2: Convert to fraction form
    51,192.23/76,789.56 = 13,752.35/x
  3. Step 3: Cross multiply
    51,192.23x = 76,789.56 × 13,752.35
  4. Step 4: Simplify right side
    51,192.23x = 1,056,036,905.47
  5. Step 5: Solve for x
    x = 1,056,036,905.47/51,192.23
  6. Step 6: Final answer
    x = 20,628.85

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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.