Home / 80,276.27-110,652.14-54,426.45

Finding the Fourth Proportional to 80,276.27, 110,652.14 and 54,426.45

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Solution

The fourth proportional to 80,276.27, 110,652.14 and 54,426.45 is: 75,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,276.27 : 110,652.14 = 54,426.45 : x
  2. Step 2: Convert to fraction form
    80,276.27/110,652.14 = 54,426.45/x
  3. Step 3: Cross multiply
    80,276.27x = 110,652.14 × 54,426.45
  4. Step 4: Simplify right side
    80,276.27x = 6,022,402,611.84
  5. Step 5: Solve for x
    x = 6,022,402,611.84/80,276.27
  6. Step 6: Final answer
    x = 75,020.96

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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.