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Finding the Fourth Proportional to 80,003.71, 110,403.03 and 44,187.94

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Solution

The fourth proportional to 80,003.71, 110,403.03 and 44,187.94 is: 60,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,003.71 : 110,403.03 = 44,187.94 : x
  2. Step 2: Convert to fraction form
    80,003.71/110,403.03 = 44,187.94/x
  3. Step 3: Cross multiply
    80,003.71x = 110,403.03 × 44,187.94
  4. Step 4: Simplify right side
    80,003.71x = 4,878,482,465.46
  5. Step 5: Solve for x
    x = 4,878,482,465.46/80,003.71
  6. Step 6: Final answer
    x = 60,978.20

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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.