Home / 85,965.56-118,634.82-48,242.12

Finding the Fourth Proportional to 85,965.56, 118,634.82 and 48,242.12

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Solution

The fourth proportional to 85,965.56, 118,634.82 and 48,242.12 is: 66,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,965.56 : 118,634.82 = 48,242.12 : x
  2. Step 2: Convert to fraction form
    85,965.56/118,634.82 = 48,242.12/x
  3. Step 3: Cross multiply
    85,965.56x = 118,634.82 × 48,242.12
  4. Step 4: Simplify right side
    85,965.56x = 5,723,195,222.62
  5. Step 5: Solve for x
    x = 5,723,195,222.62/85,965.56
  6. Step 6: Final answer
    x = 66,575.44

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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.