Home / 91,269.97-136,917.93-28,095.36

Finding the Fourth Proportional to 91,269.97, 136,917.93 and 28,095.36

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Solution

The fourth proportional to 91,269.97, 136,917.93 and 28,095.36 is: 42,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,269.97 : 136,917.93 = 28,095.36 : x
  2. Step 2: Convert to fraction form
    91,269.97/136,917.93 = 28,095.36/x
  3. Step 3: Cross multiply
    91,269.97x = 136,917.93 × 28,095.36
  4. Step 4: Simplify right side
    91,269.97x = 3,846,757,849.22
  5. Step 5: Solve for x
    x = 3,846,757,849.22/91,269.97
  6. Step 6: Final answer
    x = 42,147.03

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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.