Home / 49,121.15-73,696.10-15,840.54

Finding the Fourth Proportional to 49,121.15, 73,696.10 and 15,840.54

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Solution

The fourth proportional to 49,121.15, 73,696.10 and 15,840.54 is: 23,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,121.15 : 73,696.10 = 15,840.54 : x
  2. Step 2: Convert to fraction form
    49,121.15/73,696.10 = 15,840.54/x
  3. Step 3: Cross multiply
    49,121.15x = 73,696.10 × 15,840.54
  4. Step 4: Simplify right side
    49,121.15x = 1,167,386,019.89
  5. Step 5: Solve for x
    x = 1,167,386,019.89/49,121.15
  6. Step 6: Final answer
    x = 23,765.45

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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.