Home / 108,942.28-163,422.83-30,056.51

Finding the Fourth Proportional to 108,942.28, 163,422.83 and 30,056.51

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Solution

The fourth proportional to 108,942.28, 163,422.83 and 30,056.51 is: 45,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,942.28 : 163,422.83 = 30,056.51 : x
  2. Step 2: Convert to fraction form
    108,942.28/163,422.83 = 30,056.51/x
  3. Step 3: Cross multiply
    108,942.28x = 163,422.83 × 30,056.51
  4. Step 4: Simplify right side
    108,942.28x = 4,911,919,924.12
  5. Step 5: Solve for x
    x = 4,911,919,924.12/108,942.28
  6. Step 6: Final answer
    x = 45,087.36

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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.