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Finding the Fourth Proportional to 80,000.54, 110,398.62 and 44,189.78

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Solution

The fourth proportional to 80,000.54, 110,398.62 and 44,189.78 is: 60,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,000.54 : 110,398.62 = 44,189.78 : x
  2. Step 2: Convert to fraction form
    80,000.54/110,398.62 = 44,189.78/x
  3. Step 3: Cross multiply
    80,000.54x = 110,398.62 × 44,189.78
  4. Step 4: Simplify right side
    80,000.54x = 4,878,490,178.11
  5. Step 5: Solve for x
    x = 4,878,490,178.11/80,000.54
  6. Step 6: Final answer
    x = 60,980.72

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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.