Home / 108,876.04-163,324.36-42,321.32

Finding the Fourth Proportional to 108,876.04, 163,324.36 and 42,321.32

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Solution

The fourth proportional to 108,876.04, 163,324.36 and 42,321.32 is: 63,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876.04 : 163,324.36 = 42,321.32 : x
  2. Step 2: Convert to fraction form
    108,876.04/163,324.36 = 42,321.32/x
  3. Step 3: Cross multiply
    108,876.04x = 163,324.36 × 42,321.32
  4. Step 4: Simplify right side
    108,876.04x = 6,912,102,503.36
  5. Step 5: Solve for x
    x = 6,912,102,503.36/108,876.04
  6. Step 6: Final answer
    x = 63,485.98

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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.