Home / 55,006.20-75,908.55-29,855.70

Finding the Fourth Proportional to 55,006.20, 75,908.55 and 29,855.70

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Solution

The fourth proportional to 55,006.20, 75,908.55 and 29,855.70 is: 41,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.20 : 75,908.55 = 29,855.70 : x
  2. Step 2: Convert to fraction form
    55,006.20/75,908.55 = 29,855.70/x
  3. Step 3: Cross multiply
    55,006.20x = 75,908.55 × 29,855.70
  4. Step 4: Simplify right side
    55,006.20x = 2,266,302,896.24
  5. Step 5: Solve for x
    x = 2,266,302,896.24/55,006.20
  6. Step 6: Final answer
    x = 41,200.86

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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.