Home / 89,082.76-122,899.99-50,844.43

Finding the Fourth Proportional to 89,082.76, 122,899.99 and 50,844.43

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Solution

The fourth proportional to 89,082.76, 122,899.99 and 50,844.43 is: 70,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,082.76 : 122,899.99 = 50,844.43 : x
  2. Step 2: Convert to fraction form
    89,082.76/122,899.99 = 50,844.43/x
  3. Step 3: Cross multiply
    89,082.76x = 122,899.99 × 50,844.43
  4. Step 4: Simplify right side
    89,082.76x = 6,248,779,938.56
  5. Step 5: Solve for x
    x = 6,248,779,938.56/89,082.76
  6. Step 6: Final answer
    x = 70,145.78

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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.