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Finding the Fourth Proportional to 80,259.53, 110,761.74 and 43,963.53

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Solution

The fourth proportional to 80,259.53, 110,761.74 and 43,963.53 is: 60,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,259.53 : 110,761.74 = 43,963.53 : x
  2. Step 2: Convert to fraction form
    80,259.53/110,761.74 = 43,963.53/x
  3. Step 3: Cross multiply
    80,259.53x = 110,761.74 × 43,963.53
  4. Step 4: Simplify right side
    80,259.53x = 4,869,477,079.34
  5. Step 5: Solve for x
    x = 4,869,477,079.34/80,259.53
  6. Step 6: Final answer
    x = 60,671.64

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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.