Home / 117,865.50-162,650.07-64,149.18

Finding the Fourth Proportional to 117,865.50, 162,650.07 and 64,149.18

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Solution

The fourth proportional to 117,865.50, 162,650.07 and 64,149.18 is: 88,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,865.50 : 162,650.07 = 64,149.18 : x
  2. Step 2: Convert to fraction form
    117,865.50/162,650.07 = 64,149.18/x
  3. Step 3: Cross multiply
    117,865.50x = 162,650.07 × 64,149.18
  4. Step 4: Simplify right side
    117,865.50x = 10,433,868,617.44
  5. Step 5: Solve for x
    x = 10,433,868,617.44/117,865.50
  6. Step 6: Final answer
    x = 88,523.52

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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.