Home / 91,004.85-136,568.82-31,841.04

Finding the Fourth Proportional to 91,004.85, 136,568.82 and 31,841.04

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Solution

The fourth proportional to 91,004.85, 136,568.82 and 31,841.04 is: 47,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,004.85 : 136,568.82 = 31,841.04 : x
  2. Step 2: Convert to fraction form
    91,004.85/136,568.82 = 31,841.04/x
  3. Step 3: Cross multiply
    91,004.85x = 136,568.82 × 31,841.04
  4. Step 4: Simplify right side
    91,004.85x = 4,348,493,260.37
  5. Step 5: Solve for x
    x = 4,348,493,260.37/91,004.85
  6. Step 6: Final answer
    x = 47,783.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.