Home / 80,286.02-110,665.58-54,436.19

Finding the Fourth Proportional to 80,286.02, 110,665.58 and 54,436.19

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Solution

The fourth proportional to 80,286.02, 110,665.58 and 54,436.19 is: 75,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286.02 : 110,665.58 = 54,436.19 : x
  2. Step 2: Convert to fraction form
    80,286.02/110,665.58 = 54,436.19/x
  3. Step 3: Cross multiply
    80,286.02x = 110,665.58 × 54,436.19
  4. Step 4: Simplify right side
    80,286.02x = 6,024,212,543.82
  5. Step 5: Solve for x
    x = 6,024,212,543.82/80,286.02
  6. Step 6: Final answer
    x = 75,034.39

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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.