Home / 85,252.07-127,956.98-43,161.73

Finding the Fourth Proportional to 85,252.07, 127,956.98 and 43,161.73

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Solution

The fourth proportional to 85,252.07, 127,956.98 and 43,161.73 is: 64,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.07 : 127,956.98 = 43,161.73 : x
  2. Step 2: Convert to fraction form
    85,252.07/127,956.98 = 43,161.73/x
  3. Step 3: Cross multiply
    85,252.07x = 127,956.98 × 43,161.73
  4. Step 4: Simplify right side
    85,252.07x = 5,522,843,766.78
  5. Step 5: Solve for x
    x = 5,522,843,766.78/85,252.07
  6. Step 6: Final answer
    x = 64,782.52

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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.