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Finding the Fourth Proportional to 80,286.59, 110,795.45 and 43,988.06

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Solution

The fourth proportional to 80,286.59, 110,795.45 and 43,988.06 is: 60,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286.59 : 110,795.45 = 43,988.06 : x
  2. Step 2: Convert to fraction form
    80,286.59/110,795.45 = 43,988.06/x
  3. Step 3: Cross multiply
    80,286.59x = 110,795.45 × 43,988.06
  4. Step 4: Simplify right side
    80,286.59x = 4,873,676,959.38
  5. Step 5: Solve for x
    x = 4,873,676,959.38/80,286.59
  6. Step 6: Final answer
    x = 60,703.50

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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.