Home / 59,661.06-89,435.70-20,190.54

Finding the Fourth Proportional to 59,661.06, 89,435.70 and 20,190.54

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Solution

The fourth proportional to 59,661.06, 89,435.70 and 20,190.54 is: 30,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,661.06 : 89,435.70 = 20,190.54 : x
  2. Step 2: Convert to fraction form
    59,661.06/89,435.70 = 20,190.54/x
  3. Step 3: Cross multiply
    59,661.06x = 89,435.70 × 20,190.54
  4. Step 4: Simplify right side
    59,661.06x = 1,805,755,078.28
  5. Step 5: Solve for x
    x = 1,805,755,078.28/59,661.06
  6. Step 6: Final answer
    x = 30,266.90

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1.5x scale

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.