Home / 107,541.66-161,214.09-45,216.54

Finding the Fourth Proportional to 107,541.66, 161,214.09 and 45,216.54

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Solution

The fourth proportional to 107,541.66, 161,214.09 and 45,216.54 is: 67,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,541.66 : 161,214.09 = 45,216.54 : x
  2. Step 2: Convert to fraction form
    107,541.66/161,214.09 = 45,216.54/x
  3. Step 3: Cross multiply
    107,541.66x = 161,214.09 × 45,216.54
  4. Step 4: Simplify right side
    107,541.66x = 7,289,543,349.05
  5. Step 5: Solve for x
    x = 7,289,543,349.05/107,541.66
  6. Step 6: Final answer
    x = 67,783.44

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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.