Home / 115,329.92-173,063.20-48,766.40

Finding the Fourth Proportional to 115,329.92, 173,063.20 and 48,766.40

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Solution

The fourth proportional to 115,329.92, 173,063.20 and 48,766.40 is: 73,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,329.92 : 173,063.20 = 48,766.40 : x
  2. Step 2: Convert to fraction form
    115,329.92/173,063.20 = 48,766.40/x
  3. Step 3: Cross multiply
    115,329.92x = 173,063.20 × 48,766.40
  4. Step 4: Simplify right side
    115,329.92x = 8,439,669,236.48
  5. Step 5: Solve for x
    x = 8,439,669,236.48/115,329.92
  6. Step 6: Final answer
    x = 73,178.49

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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.