Home / 107,422.34-161,076.81-36,320.54

Finding the Fourth Proportional to 107,422.34, 161,076.81 and 36,320.54

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Solution

The fourth proportional to 107,422.34, 161,076.81 and 36,320.54 is: 54,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,422.34 : 161,076.81 = 36,320.54 : x
  2. Step 2: Convert to fraction form
    107,422.34/161,076.81 = 36,320.54/x
  3. Step 3: Cross multiply
    107,422.34x = 161,076.81 × 36,320.54
  4. Step 4: Simplify right side
    107,422.34x = 5,850,397,123.37
  5. Step 5: Solve for x
    x = 5,850,397,123.37/107,422.34
  6. Step 6: Final answer
    x = 54,461.64

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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.