Home / 99,198.29-136,894.63-53,877.16

Finding the Fourth Proportional to 99,198.29, 136,894.63 and 53,877.16

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Solution

The fourth proportional to 99,198.29, 136,894.63 and 53,877.16 is: 74,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,198.29 : 136,894.63 = 53,877.16 : x
  2. Step 2: Convert to fraction form
    99,198.29/136,894.63 = 53,877.16/x
  3. Step 3: Cross multiply
    99,198.29x = 136,894.63 × 53,877.16
  4. Step 4: Simplify right side
    99,198.29x = 7,375,493,406.72
  5. Step 5: Solve for x
    x = 7,375,493,406.72/99,198.29
  6. Step 6: Final answer
    x = 74,351.01

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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.