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Finding the Fourth Proportional to 61,304.86, 92,002.92 and 45,546.58

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Solution

The fourth proportional to 61,304.86, 92,002.92 and 45,546.58 is: 68,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,304.86 : 92,002.92 = 45,546.58 : x
  2. Step 2: Convert to fraction form
    61,304.86/92,002.92 = 45,546.58/x
  3. Step 3: Cross multiply
    61,304.86x = 92,002.92 × 45,546.58
  4. Step 4: Simplify right side
    61,304.86x = 4,190,418,356.01
  5. Step 5: Solve for x
    x = 4,190,418,356.01/61,304.86
  6. Step 6: Final answer
    x = 68,353.77

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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.