Home / 89,229.76-133,666.18-53,671.44

Finding the Fourth Proportional to 89,229.76, 133,666.18 and 53,671.44

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Solution

The fourth proportional to 89,229.76, 133,666.18 and 53,671.44 is: 80,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.76 : 133,666.18 = 53,671.44 : x
  2. Step 2: Convert to fraction form
    89,229.76/133,666.18 = 53,671.44/x
  3. Step 3: Cross multiply
    89,229.76x = 133,666.18 × 53,671.44
  4. Step 4: Simplify right side
    89,229.76x = 7,174,056,359.90
  5. Step 5: Solve for x
    x = 7,174,056,359.90/89,229.76
  6. Step 6: Final answer
    x = 80,399.82

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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.