Home / 85,334.88-127,930.02-35,383.80

Finding the Fourth Proportional to 85,334.88, 127,930.02 and 35,383.80

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Solution

The fourth proportional to 85,334.88, 127,930.02 and 35,383.80 is: 53,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,334.88 : 127,930.02 = 35,383.80 : x
  2. Step 2: Convert to fraction form
    85,334.88/127,930.02 = 35,383.80/x
  3. Step 3: Cross multiply
    85,334.88x = 127,930.02 × 35,383.80
  4. Step 4: Simplify right side
    85,334.88x = 4,526,650,241.68
  5. Step 5: Solve for x
    x = 4,526,650,241.68/85,334.88
  6. Step 6: Final answer
    x = 53,045.72

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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.