Home / 85,241.12-127,857.06-26,076.78

Finding the Fourth Proportional to 85,241.12, 127,857.06 and 26,076.78

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Solution

The fourth proportional to 85,241.12, 127,857.06 and 26,076.78 is: 39,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.12 : 127,857.06 = 26,076.78 : x
  2. Step 2: Convert to fraction form
    85,241.12/127,857.06 = 26,076.78/x
  3. Step 3: Cross multiply
    85,241.12x = 127,857.06 × 26,076.78
  4. Step 4: Simplify right side
    85,241.12x = 3,334,100,425.07
  5. Step 5: Solve for x
    x = 3,334,100,425.07/85,241.12
  6. Step 6: Final answer
    x = 39,113.76

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1.5x scale

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.