Home / 48,791.08-73,172.10-20,710.60

Finding the Fourth Proportional to 48,791.08, 73,172.10 and 20,710.60

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Solution

The fourth proportional to 48,791.08, 73,172.10 and 20,710.60 is: 31,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,791.08 : 73,172.10 = 20,710.60 : x
  2. Step 2: Convert to fraction form
    48,791.08/73,172.10 = 20,710.60/x
  3. Step 3: Cross multiply
    48,791.08x = 73,172.10 × 20,710.60
  4. Step 4: Simplify right side
    48,791.08x = 1,515,438,094.26
  5. Step 5: Solve for x
    x = 1,515,438,094.26/48,791.08
  6. Step 6: Final answer
    x = 31,059.74

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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.