Home / 89,303.40-123,239.97-49,016.43

Finding the Fourth Proportional to 89,303.40, 123,239.97 and 49,016.43

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Solution

The fourth proportional to 89,303.40, 123,239.97 and 49,016.43 is: 67,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.40 : 123,239.97 = 49,016.43 : x
  2. Step 2: Convert to fraction form
    89,303.40/123,239.97 = 49,016.43/x
  3. Step 3: Cross multiply
    89,303.40x = 123,239.97 × 49,016.43
  4. Step 4: Simplify right side
    89,303.40x = 6,040,783,362.71
  5. Step 5: Solve for x
    x = 6,040,783,362.71/89,303.40
  6. Step 6: Final answer
    x = 67,643.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.