Home / 118,024.13-162,874.19-64,310.60

Finding the Fourth Proportional to 118,024.13, 162,874.19 and 64,310.60

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Solution

The fourth proportional to 118,024.13, 162,874.19 and 64,310.60 is: 88,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,024.13 : 162,874.19 = 64,310.60 : x
  2. Step 2: Convert to fraction form
    118,024.13/162,874.19 = 64,310.60/x
  3. Step 3: Cross multiply
    118,024.13x = 162,874.19 × 64,310.60
  4. Step 4: Simplify right side
    118,024.13x = 10,474,536,883.41
  5. Step 5: Solve for x
    x = 10,474,536,883.41/118,024.13
  6. Step 6: Final answer
    x = 88,749.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.