Home / 87,528.84-131,208.24-69,716.04

Finding the Fourth Proportional to 87,528.84, 131,208.24 and 69,716.04

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Solution

The fourth proportional to 87,528.84, 131,208.24 and 69,716.04 is: 104,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528.84 : 131,208.24 = 69,716.04 : x
  2. Step 2: Convert to fraction form
    87,528.84/131,208.24 = 69,716.04/x
  3. Step 3: Cross multiply
    87,528.84x = 131,208.24 × 69,716.04
  4. Step 4: Simplify right side
    87,528.84x = 9,147,318,908.17
  5. Step 5: Solve for x
    x = 9,147,318,908.17/87,528.84
  6. Step 6: Final answer
    x = 104,506.34

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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.