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Finding the Fourth Proportional to 75,980.76, 104,895.84 and 50,522.01

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Solution

The fourth proportional to 75,980.76, 104,895.84 and 50,522.01 is: 69,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,980.76 : 104,895.84 = 50,522.01 : x
  2. Step 2: Convert to fraction form
    75,980.76/104,895.84 = 50,522.01/x
  3. Step 3: Cross multiply
    75,980.76x = 104,895.84 × 50,522.01
  4. Step 4: Simplify right side
    75,980.76x = 5,299,548,677.44
  5. Step 5: Solve for x
    x = 5,299,548,677.44/75,980.76
  6. Step 6: Final answer
    x = 69,748.56

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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.