Home / 108,872.88-163,245.75-42,235.14

Finding the Fourth Proportional to 108,872.88, 163,245.75 and 42,235.14

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Solution

The fourth proportional to 108,872.88, 163,245.75 and 42,235.14 is: 63,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872.88 : 163,245.75 = 42,235.14 : x
  2. Step 2: Convert to fraction form
    108,872.88/163,245.75 = 42,235.14/x
  3. Step 3: Cross multiply
    108,872.88x = 163,245.75 × 42,235.14
  4. Step 4: Simplify right side
    108,872.88x = 6,894,707,105.66
  5. Step 5: Solve for x
    x = 6,894,707,105.66/108,872.88
  6. Step 6: Final answer
    x = 63,328.05

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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.