Home / 85,244.75-127,862.47-26,080.42

Finding the Fourth Proportional to 85,244.75, 127,862.47 and 26,080.42

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Solution

The fourth proportional to 85,244.75, 127,862.47 and 26,080.42 is: 39,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.75 : 127,862.47 = 26,080.42 : x
  2. Step 2: Convert to fraction form
    85,244.75/127,862.47 = 26,080.42/x
  3. Step 3: Cross multiply
    85,244.75x = 127,862.47 × 26,080.42
  4. Step 4: Simplify right side
    85,244.75x = 3,334,706,919.84
  5. Step 5: Solve for x
    x = 3,334,706,919.84/85,244.75
  6. Step 6: Final answer
    x = 39,119.21

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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.