Home / 108,964.08-163,433.88-30,089.52

Finding the Fourth Proportional to 108,964.08, 163,433.88 and 30,089.52

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Solution

The fourth proportional to 108,964.08, 163,433.88 and 30,089.52 is: 45,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.08 : 163,433.88 = 30,089.52 : x
  2. Step 2: Convert to fraction form
    108,964.08/163,433.88 = 30,089.52/x
  3. Step 3: Cross multiply
    108,964.08x = 163,433.88 × 30,089.52
  4. Step 4: Simplify right side
    108,964.08x = 4,917,647,000.94
  5. Step 5: Solve for x
    x = 4,917,647,000.94/108,964.08
  6. Step 6: Final answer
    x = 45,130.90

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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.