Home / 107,128.44-160,669.56-67,632.84

Finding the Fourth Proportional to 107,128.44, 160,669.56 and 67,632.84

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Solution

The fourth proportional to 107,128.44, 160,669.56 and 67,632.84 is: 101,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,128.44 : 160,669.56 = 67,632.84 : x
  2. Step 2: Convert to fraction form
    107,128.44/160,669.56 = 67,632.84/x
  3. Step 3: Cross multiply
    107,128.44x = 160,669.56 × 67,632.84
  4. Step 4: Simplify right side
    107,128.44x = 10,866,538,644.35
  5. Step 5: Solve for x
    x = 10,866,538,644.35/107,128.44
  6. Step 6: Final answer
    x = 101,434.68

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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.