Home / 89,511.20-134,090.60-64,491.92

Finding the Fourth Proportional to 89,511.20, 134,090.60 and 64,491.92

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Solution

The fourth proportional to 89,511.20, 134,090.60 and 64,491.92 is: 96,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,511.20 : 134,090.60 = 64,491.92 : x
  2. Step 2: Convert to fraction form
    89,511.20/134,090.60 = 64,491.92/x
  3. Step 3: Cross multiply
    89,511.20x = 134,090.60 × 64,491.92
  4. Step 4: Simplify right side
    89,511.20x = 8,647,760,247.95
  5. Step 5: Solve for x
    x = 8,647,760,247.95/89,511.20
  6. Step 6: Final answer
    x = 96,610.93

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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.