Home / 123,769.45-185,501.67-48,814.21

Finding the Fourth Proportional to 123,769.45, 185,501.67 and 48,814.21

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Solution

The fourth proportional to 123,769.45, 185,501.67 and 48,814.21 is: 73,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,769.45 : 185,501.67 = 48,814.21 : x
  2. Step 2: Convert to fraction form
    123,769.45/185,501.67 = 48,814.21/x
  3. Step 3: Cross multiply
    123,769.45x = 185,501.67 × 48,814.21
  4. Step 4: Simplify right side
    123,769.45x = 9,055,117,474.73
  5. Step 5: Solve for x
    x = 9,055,117,474.73/123,769.45
  6. Step 6: Final answer
    x = 73,161.17

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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.