Home / 48,743.19-73,122.12-20,663.46

Finding the Fourth Proportional to 48,743.19, 73,122.12 and 20,663.46

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Solution

The fourth proportional to 48,743.19, 73,122.12 and 20,663.46 is: 30,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.19 : 73,122.12 = 20,663.46 : x
  2. Step 2: Convert to fraction form
    48,743.19/73,122.12 = 20,663.46/x
  3. Step 3: Cross multiply
    48,743.19x = 73,122.12 × 20,663.46
  4. Step 4: Simplify right side
    48,743.19x = 1,510,956,001.74
  5. Step 5: Solve for x
    x = 1,510,956,001.74/48,743.19
  6. Step 6: Final answer
    x = 30,998.30

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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.