Home / 85,321.54-127,927.50-35,436.04

Finding the Fourth Proportional to 85,321.54, 127,927.50 and 35,436.04

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Solution

The fourth proportional to 85,321.54, 127,927.50 and 35,436.04 is: 53,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321.54 : 127,927.50 = 35,436.04 : x
  2. Step 2: Convert to fraction form
    85,321.54/127,927.50 = 35,436.04/x
  3. Step 3: Cross multiply
    85,321.54x = 127,927.50 × 35,436.04
  4. Step 4: Simplify right side
    85,321.54x = 4,533,244,007.10
  5. Step 5: Solve for x
    x = 4,533,244,007.10/85,321.54
  6. Step 6: Final answer
    x = 53,131.30

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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.