Home / 80,805.66-111,511.35-47,270.94

Finding the Fourth Proportional to 80,805.66, 111,511.35 and 47,270.94

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Solution

The fourth proportional to 80,805.66, 111,511.35 and 47,270.94 is: 65,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,805.66 : 111,511.35 = 47,270.94 : x
  2. Step 2: Convert to fraction form
    80,805.66/111,511.35 = 47,270.94/x
  3. Step 3: Cross multiply
    80,805.66x = 111,511.35 × 47,270.94
  4. Step 4: Simplify right side
    80,805.66x = 5,271,246,335.17
  5. Step 5: Solve for x
    x = 5,271,246,335.17/80,805.66
  6. Step 6: Final answer
    x = 65,233.63

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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.