Home / 45,082.91-67,597.36-21,396.35

Finding the Fourth Proportional to 45,082.91, 67,597.36 and 21,396.35

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Solution

The fourth proportional to 45,082.91, 67,597.36 and 21,396.35 is: 32,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,082.91 : 67,597.36 = 21,396.35 : x
  2. Step 2: Convert to fraction form
    45,082.91/67,597.36 = 21,396.35/x
  3. Step 3: Cross multiply
    45,082.91x = 67,597.36 × 21,396.35
  4. Step 4: Simplify right side
    45,082.91x = 1,446,336,773.64
  5. Step 5: Solve for x
    x = 1,446,336,773.64/45,082.91
  6. Step 6: Final answer
    x = 32,081.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.