Home / 89,847.36-134,753.76-30,676.86

Finding the Fourth Proportional to 89,847.36, 134,753.76 and 30,676.86

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Solution

The fourth proportional to 89,847.36, 134,753.76 and 30,676.86 is: 46,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.36 : 134,753.76 = 30,676.86 : x
  2. Step 2: Convert to fraction form
    89,847.36/134,753.76 = 30,676.86/x
  3. Step 3: Cross multiply
    89,847.36x = 134,753.76 × 30,676.86
  4. Step 4: Simplify right side
    89,847.36x = 4,133,822,229.99
  5. Step 5: Solve for x
    x = 4,133,822,229.99/89,847.36
  6. Step 6: Final answer
    x = 46,009.39

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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.