Home / 49,123.74-73,623.96-21,010.74

Finding the Fourth Proportional to 49,123.74, 73,623.96 and 21,010.74

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Solution

The fourth proportional to 49,123.74, 73,623.96 and 21,010.74 is: 31,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,123.74 : 73,623.96 = 21,010.74 : x
  2. Step 2: Convert to fraction form
    49,123.74/73,623.96 = 21,010.74/x
  3. Step 3: Cross multiply
    49,123.74x = 73,623.96 × 21,010.74
  4. Step 4: Simplify right side
    49,123.74x = 1,546,893,881.33
  5. Step 5: Solve for x
    x = 1,546,893,881.33/49,123.74
  6. Step 6: Final answer
    x = 31,489.74

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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.