Home / 48,766.78-73,150.20-11,830.78

Finding the Fourth Proportional to 48,766.78, 73,150.20 and 11,830.78

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Solution

The fourth proportional to 48,766.78, 73,150.20 and 11,830.78 is: 17,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,766.78 : 73,150.20 = 11,830.78 : x
  2. Step 2: Convert to fraction form
    48,766.78/73,150.20 = 11,830.78/x
  3. Step 3: Cross multiply
    48,766.78x = 73,150.20 × 11,830.78
  4. Step 4: Simplify right side
    48,766.78x = 865,423,923.16
  5. Step 5: Solve for x
    x = 865,423,923.16/48,766.78
  6. Step 6: Final answer
    x = 17,746.18

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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.