Home / 85,313.01-127,914.75-35,427.54

Finding the Fourth Proportional to 85,313.01, 127,914.75 and 35,427.54

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Solution

The fourth proportional to 85,313.01, 127,914.75 and 35,427.54 is: 53,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,313.01 : 127,914.75 = 35,427.54 : x
  2. Step 2: Convert to fraction form
    85,313.01/127,914.75 = 35,427.54/x
  3. Step 3: Cross multiply
    85,313.01x = 127,914.75 × 35,427.54
  4. Step 4: Simplify right side
    85,313.01x = 4,531,704,922.22
  5. Step 5: Solve for x
    x = 4,531,704,922.22/85,313.01
  6. Step 6: Final answer
    x = 53,118.57

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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.