Home / 107,453.17-161,199.21-35,409.91

Finding the Fourth Proportional to 107,453.17, 161,199.21 and 35,409.91

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Solution

The fourth proportional to 107,453.17, 161,199.21 and 35,409.91 is: 53,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,453.17 : 161,199.21 = 35,409.91 : x
  2. Step 2: Convert to fraction form
    107,453.17/161,199.21 = 35,409.91/x
  3. Step 3: Cross multiply
    107,453.17x = 161,199.21 × 35,409.91
  4. Step 4: Simplify right side
    107,453.17x = 5,708,049,518.17
  5. Step 5: Solve for x
    x = 5,708,049,518.17/107,453.17
  6. Step 6: Final answer
    x = 53,121.28

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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.