Home / 80,855.56-111,626.98-54,043.48

Finding the Fourth Proportional to 80,855.56, 111,626.98 and 54,043.48

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Solution

The fourth proportional to 80,855.56, 111,626.98 and 54,043.48 is: 74,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,855.56 : 111,626.98 = 54,043.48 : x
  2. Step 2: Convert to fraction form
    80,855.56/111,626.98 = 54,043.48/x
  3. Step 3: Cross multiply
    80,855.56x = 111,626.98 × 54,043.48
  4. Step 4: Simplify right side
    80,855.56x = 6,032,710,461.09
  5. Step 5: Solve for x
    x = 6,032,710,461.09/80,855.56
  6. Step 6: Final answer
    x = 74,610.95

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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.