Home / 89,612.20-134,360.70-37,042.60

Finding the Fourth Proportional to 89,612.20, 134,360.70 and 37,042.60

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Solution

The fourth proportional to 89,612.20, 134,360.70 and 37,042.60 is: 55,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612.20 : 134,360.70 = 37,042.60 : x
  2. Step 2: Convert to fraction form
    89,612.20/134,360.70 = 37,042.60/x
  3. Step 3: Cross multiply
    89,612.20x = 134,360.70 × 37,042.60
  4. Step 4: Simplify right side
    89,612.20x = 4,977,069,665.82
  5. Step 5: Solve for x
    x = 4,977,069,665.82/89,612.20
  6. Step 6: Final answer
    x = 55,540.09

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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.