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Finding the Fourth Proportional to 73,862.39, 110,628.34 and 34,360.31

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Solution

The fourth proportional to 73,862.39, 110,628.34 and 34,360.31 is: 51,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.39 : 110,628.34 = 34,360.31 : x
  2. Step 2: Convert to fraction form
    73,862.39/110,628.34 = 34,360.31/x
  3. Step 3: Cross multiply
    73,862.39x = 110,628.34 × 34,360.31
  4. Step 4: Simplify right side
    73,862.39x = 3,801,224,057.19
  5. Step 5: Solve for x
    x = 3,801,224,057.19/73,862.39
  6. Step 6: Final answer
    x = 51,463.59

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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.