Home / 85,232.28-127,906.74-43,708.44

Finding the Fourth Proportional to 85,232.28, 127,906.74 and 43,708.44

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Solution

The fourth proportional to 85,232.28, 127,906.74 and 43,708.44 is: 65,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.28 : 127,906.74 = 43,708.44 : x
  2. Step 2: Convert to fraction form
    85,232.28/127,906.74 = 43,708.44/x
  3. Step 3: Cross multiply
    85,232.28x = 127,906.74 × 43,708.44
  4. Step 4: Simplify right side
    85,232.28x = 5,590,604,070.89
  5. Step 5: Solve for x
    x = 5,590,604,070.89/85,232.28
  6. Step 6: Final answer
    x = 65,592.57

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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.