Home / 107,384.88-161,077.44-40,809.36

Finding the Fourth Proportional to 107,384.88, 161,077.44 and 40,809.36

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Solution

The fourth proportional to 107,384.88, 161,077.44 and 40,809.36 is: 61,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384.88 : 161,077.44 = 40,809.36 : x
  2. Step 2: Convert to fraction form
    107,384.88/161,077.44 = 40,809.36/x
  3. Step 3: Cross multiply
    107,384.88x = 161,077.44 × 40,809.36
  4. Step 4: Simplify right side
    107,384.88x = 6,573,467,236.84
  5. Step 5: Solve for x
    x = 6,573,467,236.84/107,384.88
  6. Step 6: Final answer
    x = 61,214.09

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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.