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Finding the Fourth Proportional to 80,263.54, 120,444.52 and 35,927.78

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Solution

The fourth proportional to 80,263.54, 120,444.52 and 35,927.78 is: 53,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263.54 : 120,444.52 = 35,927.78 : x
  2. Step 2: Convert to fraction form
    80,263.54/120,444.52 = 35,927.78/x
  3. Step 3: Cross multiply
    80,263.54x = 120,444.52 × 35,927.78
  4. Step 4: Simplify right side
    80,263.54x = 4,327,304,216.77
  5. Step 5: Solve for x
    x = 4,327,304,216.77/80,263.54
  6. Step 6: Final answer
    x = 53,913.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.