Home / 107,372.64-160,987.87-51,221.41

Finding the Fourth Proportional to 107,372.64, 160,987.87 and 51,221.41

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Solution

The fourth proportional to 107,372.64, 160,987.87 and 51,221.41 is: 76,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,372.64 : 160,987.87 = 51,221.41 : x
  2. Step 2: Convert to fraction form
    107,372.64/160,987.87 = 51,221.41/x
  3. Step 3: Cross multiply
    107,372.64x = 160,987.87 × 51,221.41
  4. Step 4: Simplify right side
    107,372.64x = 8,246,026,261.41
  5. Step 5: Solve for x
    x = 8,246,026,261.41/107,372.64
  6. Step 6: Final answer
    x = 76,798.21

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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.