Home / 85,083.72-117,416.28-47,357.97

Finding the Fourth Proportional to 85,083.72, 117,416.28 and 47,357.97

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Solution

The fourth proportional to 85,083.72, 117,416.28 and 47,357.97 is: 65,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.72 : 117,416.28 = 47,357.97 : x
  2. Step 2: Convert to fraction form
    85,083.72/117,416.28 = 47,357.97/x
  3. Step 3: Cross multiply
    85,083.72x = 117,416.28 × 47,357.97
  4. Step 4: Simplify right side
    85,083.72x = 5,560,596,665.75
  5. Step 5: Solve for x
    x = 5,560,596,665.75/85,083.72
  6. Step 6: Final answer
    x = 65,354.41

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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.