Home / 107,803.72-161,647.26-36,705.16

Finding the Fourth Proportional to 107,803.72, 161,647.26 and 36,705.16

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Solution

The fourth proportional to 107,803.72, 161,647.26 and 36,705.16 is: 55,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803.72 : 161,647.26 = 36,705.16 : x
  2. Step 2: Convert to fraction form
    107,803.72/161,647.26 = 36,705.16/x
  3. Step 3: Cross multiply
    107,803.72x = 161,647.26 × 36,705.16
  4. Step 4: Simplify right side
    107,803.72x = 5,933,288,541.86
  5. Step 5: Solve for x
    x = 5,933,288,541.86/107,803.72
  6. Step 6: Final answer
    x = 55,037.88

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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.