Home / 80,893.41-111,633.08-45,082.70

Finding the Fourth Proportional to 80,893.41, 111,633.08 and 45,082.70

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Solution

The fourth proportional to 80,893.41, 111,633.08 and 45,082.70 is: 62,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893.41 : 111,633.08 = 45,082.70 : x
  2. Step 2: Convert to fraction form
    80,893.41/111,633.08 = 45,082.70/x
  3. Step 3: Cross multiply
    80,893.41x = 111,633.08 × 45,082.70
  4. Step 4: Simplify right side
    80,893.41x = 5,032,720,655.72
  5. Step 5: Solve for x
    x = 5,032,720,655.72/80,893.41
  6. Step 6: Final answer
    x = 62,214.22

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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.