Home / 89,077.10-122,926.45-48,791.54

Finding the Fourth Proportional to 89,077.10, 122,926.45 and 48,791.54

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Solution

The fourth proportional to 89,077.10, 122,926.45 and 48,791.54 is: 67,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.10 : 122,926.45 = 48,791.54 : x
  2. Step 2: Convert to fraction form
    89,077.10/122,926.45 = 48,791.54/x
  3. Step 3: Cross multiply
    89,077.10x = 122,926.45 × 48,791.54
  4. Step 4: Simplify right side
    89,077.10x = 5,997,770,065.62
  5. Step 5: Solve for x
    x = 5,997,770,065.62/89,077.10
  6. Step 6: Final answer
    x = 67,332.35

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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.