Home / 51,489.89-77,224.03-14,545.25

Finding the Fourth Proportional to 51,489.89, 77,224.03 and 14,545.25

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Solution

The fourth proportional to 51,489.89, 77,224.03 and 14,545.25 is: 21,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.89 : 77,224.03 = 14,545.25 : x
  2. Step 2: Convert to fraction form
    51,489.89/77,224.03 = 14,545.25/x
  3. Step 3: Cross multiply
    51,489.89x = 77,224.03 × 14,545.25
  4. Step 4: Simplify right side
    51,489.89x = 1,123,242,822.36
  5. Step 5: Solve for x
    x = 1,123,242,822.36/51,489.89
  6. Step 6: Final answer
    x = 21,814.82

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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.