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Finding the Fourth Proportional to 52,763.32, 79,100.70 and 36,082.72

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Solution

The fourth proportional to 52,763.32, 79,100.70 and 36,082.72 is: 54,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.32 : 79,100.70 = 36,082.72 : x
  2. Step 2: Convert to fraction form
    52,763.32/79,100.70 = 36,082.72/x
  3. Step 3: Cross multiply
    52,763.32x = 79,100.70 × 36,082.72
  4. Step 4: Simplify right side
    52,763.32x = 2,854,168,409.90
  5. Step 5: Solve for x
    x = 2,854,168,409.90/52,763.32
  6. Step 6: Final answer
    x = 54,093.80

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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.