Home / 85,101.11-127,670.63-25,941.38

Finding the Fourth Proportional to 85,101.11, 127,670.63 and 25,941.38

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Solution

The fourth proportional to 85,101.11, 127,670.63 and 25,941.38 is: 38,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,101.11 : 127,670.63 = 25,941.38 : x
  2. Step 2: Convert to fraction form
    85,101.11/127,670.63 = 25,941.38/x
  3. Step 3: Cross multiply
    85,101.11x = 127,670.63 × 25,941.38
  4. Step 4: Simplify right side
    85,101.11x = 3,311,952,327.67
  5. Step 5: Solve for x
    x = 3,311,952,327.67/85,101.11
  6. Step 6: Final answer
    x = 38,917.85

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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.