Home / 49,362.72-74,055.22-15,630.78

Finding the Fourth Proportional to 49,362.72, 74,055.22 and 15,630.78

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Solution

The fourth proportional to 49,362.72, 74,055.22 and 15,630.78 is: 23,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,362.72 : 74,055.22 = 15,630.78 : x
  2. Step 2: Convert to fraction form
    49,362.72/74,055.22 = 15,630.78/x
  3. Step 3: Cross multiply
    49,362.72x = 74,055.22 × 15,630.78
  4. Step 4: Simplify right side
    49,362.72x = 1,157,540,905.16
  5. Step 5: Solve for x
    x = 1,157,540,905.16/49,362.72
  6. Step 6: Final answer
    x = 23,449.70

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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.