Home / 99,568.28-149,380.09-43,413.29

Finding the Fourth Proportional to 99,568.28, 149,380.09 and 43,413.29

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Solution

The fourth proportional to 99,568.28, 149,380.09 and 43,413.29 is: 65,132.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,568.28 : 149,380.09 = 43,413.29 : x
  2. Step 2: Convert to fraction form
    99,568.28/149,380.09 = 43,413.29/x
  3. Step 3: Cross multiply
    99,568.28x = 149,380.09 × 43,413.29
  4. Step 4: Simplify right side
    99,568.28x = 6,485,081,167.40
  5. Step 5: Solve for x
    x = 6,485,081,167.40/99,568.28
  6. Step 6: Final answer
    x = 65,132.00

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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.