Home / 99,175.28-136,864.26-53,855.17

Finding the Fourth Proportional to 99,175.28, 136,864.26 and 53,855.17

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Solution

The fourth proportional to 99,175.28, 136,864.26 and 53,855.17 is: 74,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,175.28 : 136,864.26 = 53,855.17 : x
  2. Step 2: Convert to fraction form
    99,175.28/136,864.26 = 53,855.17/x
  3. Step 3: Cross multiply
    99,175.28x = 136,864.26 × 53,855.17
  4. Step 4: Simplify right side
    99,175.28x = 7,370,847,647.06
  5. Step 5: Solve for x
    x = 7,370,847,647.06/99,175.28
  6. Step 6: Final answer
    x = 74,321.42

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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.