Home / 48,100.23-72,162.50-20,011.86

Finding the Fourth Proportional to 48,100.23, 72,162.50 and 20,011.86

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Solution

The fourth proportional to 48,100.23, 72,162.50 and 20,011.86 is: 30,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,100.23 : 72,162.50 = 20,011.86 : x
  2. Step 2: Convert to fraction form
    48,100.23/72,162.50 = 20,011.86/x
  3. Step 3: Cross multiply
    48,100.23x = 72,162.50 × 20,011.86
  4. Step 4: Simplify right side
    48,100.23x = 1,444,105,747.19
  5. Step 5: Solve for x
    x = 1,444,105,747.19/48,100.23
  6. Step 6: Final answer
    x = 30,022.84

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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.