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Finding the Fourth Proportional to 64,864.98, 97,267.23 and 33,691.86

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Solution

The fourth proportional to 64,864.98, 97,267.23 and 33,691.86 is: 50,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,864.98 : 97,267.23 = 33,691.86 : x
  2. Step 2: Convert to fraction form
    64,864.98/97,267.23 = 33,691.86/x
  3. Step 3: Cross multiply
    64,864.98x = 97,267.23 × 33,691.86
  4. Step 4: Simplify right side
    64,864.98x = 3,277,113,895.75
  5. Step 5: Solve for x
    x = 3,277,113,895.75/64,864.98
  6. Step 6: Final answer
    x = 50,522.08

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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.