Home / 89,033.11-122,865.80-48,749.31

Finding the Fourth Proportional to 89,033.11, 122,865.80 and 48,749.31

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Solution

The fourth proportional to 89,033.11, 122,865.80 and 48,749.31 is: 67,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.11 : 122,865.80 = 48,749.31 : x
  2. Step 2: Convert to fraction form
    89,033.11/122,865.80 = 48,749.31/x
  3. Step 3: Cross multiply
    89,033.11x = 122,865.80 × 48,749.31
  4. Step 4: Simplify right side
    89,033.11x = 5,989,622,728.85
  5. Step 5: Solve for x
    x = 5,989,622,728.85/89,033.11
  6. Step 6: Final answer
    x = 67,274.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.