Home / 85,160.27-117,432.09-63,616.25

Finding the Fourth Proportional to 85,160.27, 117,432.09 and 63,616.25

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Solution

The fourth proportional to 85,160.27, 117,432.09 and 63,616.25 is: 87,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.27 : 117,432.09 = 63,616.25 : x
  2. Step 2: Convert to fraction form
    85,160.27/117,432.09 = 63,616.25/x
  3. Step 3: Cross multiply
    85,160.27x = 117,432.09 × 63,616.25
  4. Step 4: Simplify right side
    85,160.27x = 7,470,588,608.30
  5. Step 5: Solve for x
    x = 7,470,588,608.30/85,160.27
  6. Step 6: Final answer
    x = 87,723.88

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1.5x scale

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.