Home / 49,679.69-68,545.94-31,523.81

Finding the Fourth Proportional to 49,679.69, 68,545.94 and 31,523.81

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Solution

The fourth proportional to 49,679.69, 68,545.94 and 31,523.81 is: 43,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.69 : 68,545.94 = 31,523.81 : x
  2. Step 2: Convert to fraction form
    49,679.69/68,545.94 = 31,523.81/x
  3. Step 3: Cross multiply
    49,679.69x = 68,545.94 × 31,523.81
  4. Step 4: Simplify right side
    49,679.69x = 2,160,828,688.48
  5. Step 5: Solve for x
    x = 2,160,828,688.48/49,679.69
  6. Step 6: Final answer
    x = 43,495.22

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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.