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Finding the Fourth Proportional to 85,885.62, 118,523.38 and 51,889.38

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Solution

The fourth proportional to 85,885.62, 118,523.38 and 51,889.38 is: 71,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,885.62 : 118,523.38 = 51,889.38 : x
  2. Step 2: Convert to fraction form
    85,885.62/118,523.38 = 51,889.38/x
  3. Step 3: Cross multiply
    85,885.62x = 118,523.38 × 51,889.38
  4. Step 4: Simplify right side
    85,885.62x = 6,150,104,703.70
  5. Step 5: Solve for x
    x = 6,150,104,703.70/85,885.62
  6. Step 6: Final answer
    x = 71,608.08

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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.