Home / 91,645.20-137,426.49-32,467.41

Finding the Fourth Proportional to 91,645.20, 137,426.49 and 32,467.41

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Solution

The fourth proportional to 91,645.20, 137,426.49 and 32,467.41 is: 48,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,645.20 : 137,426.49 = 32,467.41 : x
  2. Step 2: Convert to fraction form
    91,645.20/137,426.49 = 32,467.41/x
  3. Step 3: Cross multiply
    91,645.20x = 137,426.49 × 32,467.41
  4. Step 4: Simplify right side
    91,645.20x = 4,461,882,195.69
  5. Step 5: Solve for x
    x = 4,461,882,195.69/91,645.20
  6. Step 6: Final answer
    x = 48,686.48

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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.