Home / 48,490.45-72,735.71-15,213.13

Finding the Fourth Proportional to 48,490.45, 72,735.71 and 15,213.13

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Solution

The fourth proportional to 48,490.45, 72,735.71 and 15,213.13 is: 22,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,490.45 : 72,735.71 = 15,213.13 : x
  2. Step 2: Convert to fraction form
    48,490.45/72,735.71 = 15,213.13/x
  3. Step 3: Cross multiply
    48,490.45x = 72,735.71 × 15,213.13
  4. Step 4: Simplify right side
    48,490.45x = 1,106,537,811.87
  5. Step 5: Solve for x
    x = 1,106,537,811.87/48,490.45
  6. Step 6: Final answer
    x = 22,819.71

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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.