Home / 117,475.79-162,112.26-63,759.66

Finding the Fourth Proportional to 117,475.79, 162,112.26 and 63,759.66

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Solution

The fourth proportional to 117,475.79, 162,112.26 and 63,759.66 is: 87,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,475.79 : 162,112.26 = 63,759.66 : x
  2. Step 2: Convert to fraction form
    117,475.79/162,112.26 = 63,759.66/x
  3. Step 3: Cross multiply
    117,475.79x = 162,112.26 × 63,759.66
  4. Step 4: Simplify right side
    117,475.79x = 10,336,221,529.77
  5. Step 5: Solve for x
    x = 10,336,221,529.77/117,475.79
  6. Step 6: Final answer
    x = 87,985.97

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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.