Home / 89,083.76-122,901.37-50,845.43

Finding the Fourth Proportional to 89,083.76, 122,901.37 and 50,845.43

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Solution

The fourth proportional to 89,083.76, 122,901.37 and 50,845.43 is: 70,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,083.76 : 122,901.37 = 50,845.43 : x
  2. Step 2: Convert to fraction form
    89,083.76/122,901.37 = 50,845.43/x
  3. Step 3: Cross multiply
    89,083.76x = 122,901.37 × 50,845.43
  4. Step 4: Simplify right side
    89,083.76x = 6,248,973,005.24
  5. Step 5: Solve for x
    x = 6,248,973,005.24/89,083.76
  6. Step 6: Final answer
    x = 70,147.16

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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.