Home / 108,716.43-163,078.74-29,836.81

Finding the Fourth Proportional to 108,716.43, 163,078.74 and 29,836.81

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Solution

The fourth proportional to 108,716.43, 163,078.74 and 29,836.81 is: 44,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,716.43 : 163,078.74 = 29,836.81 : x
  2. Step 2: Convert to fraction form
    108,716.43/163,078.74 = 29,836.81/x
  3. Step 3: Cross multiply
    108,716.43x = 163,078.74 × 29,836.81
  4. Step 4: Simplify right side
    108,716.43x = 4,865,748,750.87
  5. Step 5: Solve for x
    x = 4,865,748,750.87/108,716.43
  6. Step 6: Final answer
    x = 44,756.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.