Home / 91,709.32-137,576.22-36,292.36

Finding the Fourth Proportional to 91,709.32, 137,576.22 and 36,292.36

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Solution

The fourth proportional to 91,709.32, 137,576.22 and 36,292.36 is: 54,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,709.32 : 137,576.22 = 36,292.36 : x
  2. Step 2: Convert to fraction form
    91,709.32/137,576.22 = 36,292.36/x
  3. Step 3: Cross multiply
    91,709.32x = 137,576.22 × 36,292.36
  4. Step 4: Simplify right side
    91,709.32x = 4,992,965,703.68
  5. Step 5: Solve for x
    x = 4,992,965,703.68/91,709.32
  6. Step 6: Final answer
    x = 54,443.38

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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.