Home / 86,945.46-119,982.93-47,201.46

Finding the Fourth Proportional to 86,945.46, 119,982.93 and 47,201.46

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Solution

The fourth proportional to 86,945.46, 119,982.93 and 47,201.46 is: 65,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945.46 : 119,982.93 = 47,201.46 : x
  2. Step 2: Convert to fraction form
    86,945.46/119,982.93 = 47,201.46/x
  3. Step 3: Cross multiply
    86,945.46x = 119,982.93 × 47,201.46
  4. Step 4: Simplify right side
    86,945.46x = 5,663,369,471.08
  5. Step 5: Solve for x
    x = 5,663,369,471.08/86,945.46
  6. Step 6: Final answer
    x = 65,137.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.