Home / 107,477.37-161,217.60-40,921.16

Finding the Fourth Proportional to 107,477.37, 161,217.60 and 40,921.16

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Solution

The fourth proportional to 107,477.37, 161,217.60 and 40,921.16 is: 61,382.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,477.37 : 161,217.60 = 40,921.16 : x
  2. Step 2: Convert to fraction form
    107,477.37/161,217.60 = 40,921.16/x
  3. Step 3: Cross multiply
    107,477.37x = 161,217.60 × 40,921.16
  4. Step 4: Simplify right side
    107,477.37x = 6,597,210,398.33
  5. Step 5: Solve for x
    x = 6,597,210,398.33/107,477.37
  6. Step 6: Final answer
    x = 61,382.32

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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.