Home / 85,180.44-117,549.18-47,456.04

Finding the Fourth Proportional to 85,180.44, 117,549.18 and 47,456.04

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Solution

The fourth proportional to 85,180.44, 117,549.18 and 47,456.04 is: 65,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180.44 : 117,549.18 = 47,456.04 : x
  2. Step 2: Convert to fraction form
    85,180.44/117,549.18 = 47,456.04/x
  3. Step 3: Cross multiply
    85,180.44x = 117,549.18 × 47,456.04
  4. Step 4: Simplify right side
    85,180.44x = 5,578,418,588.05
  5. Step 5: Solve for x
    x = 5,578,418,588.05/85,180.44
  6. Step 6: Final answer
    x = 65,489.43

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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.