Home / 109,003.12-163,267.31-52,724.52

Finding the Fourth Proportional to 109,003.12, 163,267.31 and 52,724.52

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Solution

The fourth proportional to 109,003.12, 163,267.31 and 52,724.52 is: 78,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,003.12 : 163,267.31 = 52,724.52 : x
  2. Step 2: Convert to fraction form
    109,003.12/163,267.31 = 52,724.52/x
  3. Step 3: Cross multiply
    109,003.12x = 163,267.31 × 52,724.52
  4. Step 4: Simplify right side
    109,003.12x = 8,608,190,683.25
  5. Step 5: Solve for x
    x = 8,608,190,683.25/109,003.12
  6. Step 6: Final answer
    x = 78,971.97

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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.