Home / 108,413.24-149,592.30-63,709.88

Finding the Fourth Proportional to 108,413.24, 149,592.30 and 63,709.88

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Solution

The fourth proportional to 108,413.24, 149,592.30 and 63,709.88 is: 87,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,413.24 : 149,592.30 = 63,709.88 : x
  2. Step 2: Convert to fraction form
    108,413.24/149,592.30 = 63,709.88/x
  3. Step 3: Cross multiply
    108,413.24x = 149,592.30 × 63,709.88
  4. Step 4: Simplify right side
    108,413.24x = 9,530,507,481.92
  5. Step 5: Solve for x
    x = 9,530,507,481.92/108,413.24
  6. Step 6: Final answer
    x = 87,909.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.