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Finding the Fourth Proportional to 61,451.76, 92,029.92 and 35,076.48

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Solution

The fourth proportional to 61,451.76, 92,029.92 and 35,076.48 is: 52,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,451.76 : 92,029.92 = 35,076.48 : x
  2. Step 2: Convert to fraction form
    61,451.76/92,029.92 = 35,076.48/x
  3. Step 3: Cross multiply
    61,451.76x = 92,029.92 × 35,076.48
  4. Step 4: Simplify right side
    61,451.76x = 3,228,085,648.28
  5. Step 5: Solve for x
    x = 3,228,085,648.28/61,451.76
  6. Step 6: Final answer
    x = 52,530.40

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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.