Home / 85,244.78-127,862.55-26,080.44

Finding the Fourth Proportional to 85,244.78, 127,862.55 and 26,080.44

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Solution

The fourth proportional to 85,244.78, 127,862.55 and 26,080.44 is: 39,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.78 : 127,862.55 = 26,080.44 : x
  2. Step 2: Convert to fraction form
    85,244.78/127,862.55 = 26,080.44/x
  3. Step 3: Cross multiply
    85,244.78x = 127,862.55 × 26,080.44
  4. Step 4: Simplify right side
    85,244.78x = 3,334,711,563.52
  5. Step 5: Solve for x
    x = 3,334,711,563.52/85,244.78
  6. Step 6: Final answer
    x = 39,119.25

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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.