Home / 49,772.70-74,658.92-40,989.06

Finding the Fourth Proportional to 49,772.70, 74,658.92 and 40,989.06

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Solution

The fourth proportional to 49,772.70, 74,658.92 and 40,989.06 is: 61,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.70 : 74,658.92 = 40,989.06 : x
  2. Step 2: Convert to fraction form
    49,772.70/74,658.92 = 40,989.06/x
  3. Step 3: Cross multiply
    49,772.70x = 74,658.92 × 40,989.06
  4. Step 4: Simplify right side
    49,772.70x = 3,060,198,746.47
  5. Step 5: Solve for x
    x = 3,060,198,746.47/49,772.70
  6. Step 6: Final answer
    x = 61,483.48

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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.