Home / 91,571.45-137,335.03-25,011.92

Finding the Fourth Proportional to 91,571.45, 137,335.03 and 25,011.92

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Solution

The fourth proportional to 91,571.45, 137,335.03 and 25,011.92 is: 37,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,571.45 : 137,335.03 = 25,011.92 : x
  2. Step 2: Convert to fraction form
    91,571.45/137,335.03 = 25,011.92/x
  3. Step 3: Cross multiply
    91,571.45x = 137,335.03 × 25,011.92
  4. Step 4: Simplify right side
    91,571.45x = 3,435,013,064.37
  5. Step 5: Solve for x
    x = 3,435,013,064.37/91,571.45
  6. Step 6: Final answer
    x = 37,511.84

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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.