Home / 80,170.95-110,628.38-54,276.83

Finding the Fourth Proportional to 80,170.95, 110,628.38 and 54,276.83

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Solution

The fourth proportional to 80,170.95, 110,628.38 and 54,276.83 is: 74,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170.95 : 110,628.38 = 54,276.83 : x
  2. Step 2: Convert to fraction form
    80,170.95/110,628.38 = 54,276.83/x
  3. Step 3: Cross multiply
    80,170.95x = 110,628.38 × 54,276.83
  4. Step 4: Simplify right side
    80,170.95x = 6,004,557,017.76
  5. Step 5: Solve for x
    x = 6,004,557,017.76/80,170.95
  6. Step 6: Final answer
    x = 74,896.92

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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.