Home / 99,158.62-136,839.90-53,837.02

Finding the Fourth Proportional to 99,158.62, 136,839.90 and 53,837.02

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Solution

The fourth proportional to 99,158.62, 136,839.90 and 53,837.02 is: 74,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,158.62 : 136,839.90 = 53,837.02 : x
  2. Step 2: Convert to fraction form
    99,158.62/136,839.90 = 53,837.02/x
  3. Step 3: Cross multiply
    99,158.62x = 136,839.90 × 53,837.02
  4. Step 4: Simplify right side
    99,158.62x = 7,367,052,433.10
  5. Step 5: Solve for x
    x = 7,367,052,433.10/99,158.62
  6. Step 6: Final answer
    x = 74,295.63

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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.