Home / 108,876.75-163,325.43-42,322.02

Finding the Fourth Proportional to 108,876.75, 163,325.43 and 42,322.02

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Solution

The fourth proportional to 108,876.75, 163,325.43 and 42,322.02 is: 63,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.75 : 163,325.43 = 42,322.02 : x
  2. Step 2: Convert to fraction form
    108,876.75/163,325.43 = 42,322.02/x
  3. Step 3: Cross multiply
    108,876.75x = 163,325.43 × 42,322.02
  4. Step 4: Simplify right side
    108,876.75x = 6,912,262,114.97
  5. Step 5: Solve for x
    x = 6,912,262,114.97/108,876.75
  6. Step 6: Final answer
    x = 63,487.04

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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.