Home / 99,186.27-136,876.26-53,863.41

Finding the Fourth Proportional to 99,186.27, 136,876.26 and 53,863.41

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Solution

The fourth proportional to 99,186.27, 136,876.26 and 53,863.41 is: 74,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,186.27 : 136,876.26 = 53,863.41 : x
  2. Step 2: Convert to fraction form
    99,186.27/136,876.26 = 53,863.41/x
  3. Step 3: Cross multiply
    99,186.27x = 136,876.26 × 53,863.41
  4. Step 4: Simplify right side
    99,186.27x = 7,372,622,111.65
  5. Step 5: Solve for x
    x = 7,372,622,111.65/99,186.27
  6. Step 6: Final answer
    x = 74,331.08

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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.