Home / 85,679.27-118,238.96-47,953.43

Finding the Fourth Proportional to 85,679.27, 118,238.96 and 47,953.43

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Solution

The fourth proportional to 85,679.27, 118,238.96 and 47,953.43 is: 66,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,679.27 : 118,238.96 = 47,953.43 : x
  2. Step 2: Convert to fraction form
    85,679.27/118,238.96 = 47,953.43/x
  3. Step 3: Cross multiply
    85,679.27x = 118,238.96 × 47,953.43
  4. Step 4: Simplify right side
    85,679.27x = 5,669,963,691.63
  5. Step 5: Solve for x
    x = 5,669,963,691.63/85,679.27
  6. Step 6: Final answer
    x = 66,176.61

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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.