Home / 85,169.64-117,548.10-47,456.04

Finding the Fourth Proportional to 85,169.64, 117,548.10 and 47,456.04

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Solution

The fourth proportional to 85,169.64, 117,548.10 and 47,456.04 is: 65,497.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,169.64 : 117,548.10 = 47,456.04 : x
  2. Step 2: Convert to fraction form
    85,169.64/117,548.10 = 47,456.04/x
  3. Step 3: Cross multiply
    85,169.64x = 117,548.10 × 47,456.04
  4. Step 4: Simplify right side
    85,169.64x = 5,578,367,335.52
  5. Step 5: Solve for x
    x = 5,578,367,335.52/85,169.64
  6. Step 6: Final answer
    x = 65,497.13

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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.