Home / 117,346.61-161,945.24-66,363.92

Finding the Fourth Proportional to 117,346.61, 161,945.24 and 66,363.92

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Solution

The fourth proportional to 117,346.61, 161,945.24 and 66,363.92 is: 91,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,346.61 : 161,945.24 = 66,363.92 : x
  2. Step 2: Convert to fraction form
    117,346.61/161,945.24 = 66,363.92/x
  3. Step 3: Cross multiply
    117,346.61x = 161,945.24 × 66,363.92
  4. Step 4: Simplify right side
    117,346.61x = 10,747,320,951.74
  5. Step 5: Solve for x
    x = 10,747,320,951.74/117,346.61
  6. Step 6: Final answer
    x = 91,586.12

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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.