Home / 89,180.64-133,783.92-47,604.96

Finding the Fourth Proportional to 89,180.64, 133,783.92 and 47,604.96

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Solution

The fourth proportional to 89,180.64, 133,783.92 and 47,604.96 is: 71,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,180.64 : 133,783.92 = 47,604.96 : x
  2. Step 2: Convert to fraction form
    89,180.64/133,783.92 = 47,604.96/x
  3. Step 3: Cross multiply
    89,180.64x = 133,783.92 × 47,604.96
  4. Step 4: Simplify right side
    89,180.64x = 6,368,778,160.24
  5. Step 5: Solve for x
    x = 6,368,778,160.24/89,180.64
  6. Step 6: Final answer
    x = 71,414.36

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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.