Home / 85,092.18-117,425.25-53,278.62

Finding the Fourth Proportional to 85,092.18, 117,425.25 and 53,278.62

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Solution

The fourth proportional to 85,092.18, 117,425.25 and 53,278.62 is: 73,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092.18 : 117,425.25 = 53,278.62 : x
  2. Step 2: Convert to fraction form
    85,092.18/117,425.25 = 53,278.62/x
  3. Step 3: Cross multiply
    85,092.18x = 117,425.25 × 53,278.62
  4. Step 4: Simplify right side
    85,092.18x = 6,256,255,273.16
  5. Step 5: Solve for x
    x = 6,256,255,273.16/85,092.18
  6. Step 6: Final answer
    x = 73,523.27

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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.