Home / 118,685.41-163,773.69-67,694.29

Finding the Fourth Proportional to 118,685.41, 163,773.69 and 67,694.29

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Solution

The fourth proportional to 118,685.41, 163,773.69 and 67,694.29 is: 93,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,685.41 : 163,773.69 = 67,694.29 : x
  2. Step 2: Convert to fraction form
    118,685.41/163,773.69 = 67,694.29/x
  3. Step 3: Cross multiply
    118,685.41x = 163,773.69 × 67,694.29
  4. Step 4: Simplify right side
    118,685.41x = 11,086,543,665.23
  5. Step 5: Solve for x
    x = 11,086,543,665.23/118,685.41
  6. Step 6: Final answer
    x = 93,411.18

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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.