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Finding the Fourth Proportional to 73,114.67, 109,673.78 and 35,669.58

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Solution

The fourth proportional to 73,114.67, 109,673.78 and 35,669.58 is: 53,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.67 : 109,673.78 = 35,669.58 : x
  2. Step 2: Convert to fraction form
    73,114.67/109,673.78 = 35,669.58/x
  3. Step 3: Cross multiply
    73,114.67x = 109,673.78 × 35,669.58
  4. Step 4: Simplify right side
    73,114.67x = 3,912,017,491.26
  5. Step 5: Solve for x
    x = 3,912,017,491.26/73,114.67
  6. Step 6: Final answer
    x = 53,505.24

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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.