Home / 80,280.05-110,786.47-44,472.38

Finding the Fourth Proportional to 80,280.05, 110,786.47 and 44,472.38

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Solution

The fourth proportional to 80,280.05, 110,786.47 and 44,472.38 is: 61,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,280.05 : 110,786.47 = 44,472.38 : x
  2. Step 2: Convert to fraction form
    80,280.05/110,786.47 = 44,472.38/x
  3. Step 3: Cross multiply
    80,280.05x = 110,786.47 × 44,472.38
  4. Step 4: Simplify right side
    80,280.05x = 4,926,938,158.48
  5. Step 5: Solve for x
    x = 4,926,938,158.48/80,280.05
  6. Step 6: Final answer
    x = 61,371.89

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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.