Home / 85,351.24-117,770.52-49,534.66

Finding the Fourth Proportional to 85,351.24, 117,770.52 and 49,534.66

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Solution

The fourth proportional to 85,351.24, 117,770.52 and 49,534.66 is: 68,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,351.24 : 117,770.52 = 49,534.66 : x
  2. Step 2: Convert to fraction form
    85,351.24/117,770.52 = 49,534.66/x
  3. Step 3: Cross multiply
    85,351.24x = 117,770.52 × 49,534.66
  4. Step 4: Simplify right side
    85,351.24x = 5,833,722,666.22
  5. Step 5: Solve for x
    x = 5,833,722,666.22/85,351.24
  6. Step 6: Final answer
    x = 68,349.59

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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.