Home / 108,976.93-163,464.35-64,571.72

Finding the Fourth Proportional to 108,976.93, 163,464.35 and 64,571.72

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Solution

The fourth proportional to 108,976.93, 163,464.35 and 64,571.72 is: 96,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,976.93 : 163,464.35 = 64,571.72 : x
  2. Step 2: Convert to fraction form
    108,976.93/163,464.35 = 64,571.72/x
  3. Step 3: Cross multiply
    108,976.93x = 163,464.35 × 64,571.72
  4. Step 4: Simplify right side
    108,976.93x = 10,555,173,098.00
  5. Step 5: Solve for x
    x = 10,555,173,098.00/108,976.93
  6. Step 6: Final answer
    x = 96,856.95

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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.