Home / 118,051.49-162,912.87-64,336.34

Finding the Fourth Proportional to 118,051.49, 162,912.87 and 64,336.34

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Solution

The fourth proportional to 118,051.49, 162,912.87 and 64,336.34 is: 88,785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051.49 : 162,912.87 = 64,336.34 : x
  2. Step 2: Convert to fraction form
    118,051.49/162,912.87 = 64,336.34/x
  3. Step 3: Cross multiply
    118,051.49x = 162,912.87 × 64,336.34
  4. Step 4: Simplify right side
    118,051.49x = 10,481,218,201.98
  5. Step 5: Solve for x
    x = 10,481,218,201.98/118,051.49
  6. Step 6: Final answer
    x = 88,785.14

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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.