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Finding the Fourth Proportional to 73,897.20, 101,941.59 and 43,667.90

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Solution

The fourth proportional to 73,897.20, 101,941.59 and 43,667.90 is: 60,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,897.20 : 101,941.59 = 43,667.90 : x
  2. Step 2: Convert to fraction form
    73,897.20/101,941.59 = 43,667.90/x
  3. Step 3: Cross multiply
    73,897.20x = 101,941.59 × 43,667.90
  4. Step 4: Simplify right side
    73,897.20x = 4,451,575,157.96
  5. Step 5: Solve for x
    x = 4,451,575,157.96/73,897.20
  6. Step 6: Final answer
    x = 60,240.11

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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.