Home / 108,872.85-163,267.14-42,304.23

Finding the Fourth Proportional to 108,872.85, 163,267.14 and 42,304.23

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Solution

The fourth proportional to 108,872.85, 163,267.14 and 42,304.23 is: 63,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872.85 : 163,267.14 = 42,304.23 : x
  2. Step 2: Convert to fraction form
    108,872.85/163,267.14 = 42,304.23/x
  3. Step 3: Cross multiply
    108,872.85x = 163,267.14 × 42,304.23
  4. Step 4: Simplify right side
    108,872.85x = 6,906,890,642.00
  5. Step 5: Solve for x
    x = 6,906,890,642.00/108,872.85
  6. Step 6: Final answer
    x = 63,439.97

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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.