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Finding the Fourth Proportional to 61,996.52, 93,009.42 and 49,394.12

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Solution

The fourth proportional to 61,996.52, 93,009.42 and 49,394.12 is: 74,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.52 : 93,009.42 = 49,394.12 : x
  2. Step 2: Convert to fraction form
    61,996.52/93,009.42 = 49,394.12/x
  3. Step 3: Cross multiply
    61,996.52x = 93,009.42 × 49,394.12
  4. Step 4: Simplify right side
    61,996.52x = 4,594,118,452.61
  5. Step 5: Solve for x
    x = 4,594,118,452.61/61,996.52
  6. Step 6: Final answer
    x = 74,102.84

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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.