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Finding the Fourth Proportional to 73,361.61, 101,239.43 and 43,148.21

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Solution

The fourth proportional to 73,361.61, 101,239.43 and 43,148.21 is: 59,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,361.61 : 101,239.43 = 43,148.21 : x
  2. Step 2: Convert to fraction form
    73,361.61/101,239.43 = 43,148.21/x
  3. Step 3: Cross multiply
    73,361.61x = 101,239.43 × 43,148.21
  4. Step 4: Simplify right side
    73,361.61x = 4,368,299,463.98
  5. Step 5: Solve for x
    x = 4,368,299,463.98/73,361.61
  6. Step 6: Final answer
    x = 59,544.76

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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.