Home / 108,876.24-163,299.72-42,309.96

Finding the Fourth Proportional to 108,876.24, 163,299.72 and 42,309.96

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Solution

The fourth proportional to 108,876.24, 163,299.72 and 42,309.96 is: 63,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.24 : 163,299.72 = 42,309.96 : x
  2. Step 2: Convert to fraction form
    108,876.24/163,299.72 = 42,309.96/x
  3. Step 3: Cross multiply
    108,876.24x = 163,299.72 × 42,309.96
  4. Step 4: Simplify right side
    108,876.24x = 6,909,204,621.21
  5. Step 5: Solve for x
    x = 6,909,204,621.21/108,876.24
  6. Step 6: Final answer
    x = 63,459.25

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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.