Home / 118,747.97-163,872.44-64,300.73

Finding the Fourth Proportional to 118,747.97, 163,872.44 and 64,300.73

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Solution

The fourth proportional to 118,747.97, 163,872.44 and 64,300.73 is: 88,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,747.97 : 163,872.44 = 64,300.73 : x
  2. Step 2: Convert to fraction form
    118,747.97/163,872.44 = 64,300.73/x
  3. Step 3: Cross multiply
    118,747.97x = 163,872.44 × 64,300.73
  4. Step 4: Simplify right side
    118,747.97x = 10,537,117,518.88
  5. Step 5: Solve for x
    x = 10,537,117,518.88/118,747.97
  6. Step 6: Final answer
    x = 88,735.14

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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.