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Finding the Fourth Proportional to 80,002.68, 110,416.94 and 60,945.40

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Solution

The fourth proportional to 80,002.68, 110,416.94 and 60,945.40 is: 84,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,002.68 : 110,416.94 = 60,945.40 : x
  2. Step 2: Convert to fraction form
    80,002.68/110,416.94 = 60,945.40/x
  3. Step 3: Cross multiply
    80,002.68x = 110,416.94 × 60,945.40
  4. Step 4: Simplify right side
    80,002.68x = 6,729,404,575.08
  5. Step 5: Solve for x
    x = 6,729,404,575.08/80,002.68
  6. Step 6: Final answer
    x = 84,114.74

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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.