Home / 117,102.46-161,601.43-63,387.31

Finding the Fourth Proportional to 117,102.46, 161,601.43 and 63,387.31

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Solution

The fourth proportional to 117,102.46, 161,601.43 and 63,387.31 is: 87,474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,102.46 : 161,601.43 = 63,387.31 : x
  2. Step 2: Convert to fraction form
    117,102.46/161,601.43 = 63,387.31/x
  3. Step 3: Cross multiply
    117,102.46x = 161,601.43 × 63,387.31
  4. Step 4: Simplify right side
    117,102.46x = 10,243,479,622.92
  5. Step 5: Solve for x
    x = 10,243,479,622.92/117,102.46
  6. Step 6: Final answer
    x = 87,474.50

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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.