Home / 118,660.26-163,710.42-67,636.19

Finding the Fourth Proportional to 118,660.26, 163,710.42 and 67,636.19

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Solution

The fourth proportional to 118,660.26, 163,710.42 and 67,636.19 is: 93,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,660.26 : 163,710.42 = 67,636.19 : x
  2. Step 2: Convert to fraction form
    118,660.26/163,710.42 = 67,636.19/x
  3. Step 3: Cross multiply
    118,660.26x = 163,710.42 × 67,636.19
  4. Step 4: Simplify right side
    118,660.26x = 11,072,748,253.55
  5. Step 5: Solve for x
    x = 11,072,748,253.55/118,660.26
  6. Step 6: Final answer
    x = 93,314.71

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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.