Home / 48,939.54-73,420.25-15,661.60

Finding the Fourth Proportional to 48,939.54, 73,420.25 and 15,661.60

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Solution

The fourth proportional to 48,939.54, 73,420.25 and 15,661.60 is: 23,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.54 : 73,420.25 = 15,661.60 : x
  2. Step 2: Convert to fraction form
    48,939.54/73,420.25 = 15,661.60/x
  3. Step 3: Cross multiply
    48,939.54x = 73,420.25 × 15,661.60
  4. Step 4: Simplify right side
    48,939.54x = 1,149,878,587.40
  5. Step 5: Solve for x
    x = 1,149,878,587.40/48,939.54
  6. Step 6: Final answer
    x = 23,495.90

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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.