Home / 80,826.06-111,586.23-54,013.98

Finding the Fourth Proportional to 80,826.06, 111,586.23 and 54,013.98

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Solution

The fourth proportional to 80,826.06, 111,586.23 and 54,013.98 is: 74,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,826.06 : 111,586.23 = 54,013.98 : x
  2. Step 2: Convert to fraction form
    80,826.06/111,586.23 = 54,013.98/x
  3. Step 3: Cross multiply
    80,826.06x = 111,586.23 × 54,013.98
  4. Step 4: Simplify right side
    80,826.06x = 6,027,216,395.50
  5. Step 5: Solve for x
    x = 6,027,216,395.50/80,826.06
  6. Step 6: Final answer
    x = 74,570.21

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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.