Home / 89,571.23-134,408.77-45,201.45

Finding the Fourth Proportional to 89,571.23, 134,408.77 and 45,201.45

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Solution

The fourth proportional to 89,571.23, 134,408.77 and 45,201.45 is: 67,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,571.23 : 134,408.77 = 45,201.45 : x
  2. Step 2: Convert to fraction form
    89,571.23/134,408.77 = 45,201.45/x
  3. Step 3: Cross multiply
    89,571.23x = 134,408.77 × 45,201.45
  4. Step 4: Simplify right side
    89,571.23x = 6,075,471,183.71
  5. Step 5: Solve for x
    x = 6,075,471,183.71/89,571.23
  6. Step 6: Final answer
    x = 67,828.38

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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.