Home / 89,077.81-122,929.14-48,791.57

Finding the Fourth Proportional to 89,077.81, 122,929.14 and 48,791.57

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Solution

The fourth proportional to 89,077.81, 122,929.14 and 48,791.57 is: 67,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.81 : 122,929.14 = 48,791.57 : x
  2. Step 2: Convert to fraction form
    89,077.81/122,929.14 = 48,791.57/x
  3. Step 3: Cross multiply
    89,077.81x = 122,929.14 × 48,791.57
  4. Step 4: Simplify right side
    89,077.81x = 5,997,905,739.35
  5. Step 5: Solve for x
    x = 5,997,905,739.35/89,077.81
  6. Step 6: Final answer
    x = 67,333.34

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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.