Home / 118,472.88-163,496.97-64,761.54

Finding the Fourth Proportional to 118,472.88, 163,496.97 and 64,761.54

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Solution

The fourth proportional to 118,472.88, 163,496.97 and 64,761.54 is: 89,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,472.88 : 163,496.97 = 64,761.54 : x
  2. Step 2: Convert to fraction form
    118,472.88/163,496.97 = 64,761.54/x
  3. Step 3: Cross multiply
    118,472.88x = 163,496.97 × 64,761.54
  4. Step 4: Simplify right side
    118,472.88x = 10,588,315,562.53
  5. Step 5: Solve for x
    x = 10,588,315,562.53/118,472.88
  6. Step 6: Final answer
    x = 89,373.33

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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.