Home / 85,110.45-127,661.06-25,941.52

Finding the Fourth Proportional to 85,110.45, 127,661.06 and 25,941.52

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Solution

The fourth proportional to 85,110.45, 127,661.06 and 25,941.52 is: 38,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,110.45 : 127,661.06 = 25,941.52 : x
  2. Step 2: Convert to fraction form
    85,110.45/127,661.06 = 25,941.52/x
  3. Step 3: Cross multiply
    85,110.45x = 127,661.06 × 25,941.52
  4. Step 4: Simplify right side
    85,110.45x = 3,311,721,447.55
  5. Step 5: Solve for x
    x = 3,311,721,447.55/85,110.45
  6. Step 6: Final answer
    x = 38,910.87

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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.