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Finding the Fourth Proportional to 80,285.98, 110,794.66 and 43,987.58

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Solution

The fourth proportional to 80,285.98, 110,794.66 and 43,987.58 is: 60,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,285.98 : 110,794.66 = 43,987.58 : x
  2. Step 2: Convert to fraction form
    80,285.98/110,794.66 = 43,987.58/x
  3. Step 3: Cross multiply
    80,285.98x = 110,794.66 × 43,987.58
  4. Step 4: Simplify right side
    80,285.98x = 4,873,588,970.32
  5. Step 5: Solve for x
    x = 4,873,588,970.32/80,285.98
  6. Step 6: Final answer
    x = 60,702.86

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1.5x scale

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.