Home / 85,016.73-127,532.25-25,852.95

Finding the Fourth Proportional to 85,016.73, 127,532.25 and 25,852.95

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Solution

The fourth proportional to 85,016.73, 127,532.25 and 25,852.95 is: 38,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,016.73 : 127,532.25 = 25,852.95 : x
  2. Step 2: Convert to fraction form
    85,016.73/127,532.25 = 25,852.95/x
  3. Step 3: Cross multiply
    85,016.73x = 127,532.25 × 25,852.95
  4. Step 4: Simplify right side
    85,016.73x = 3,297,084,882.64
  5. Step 5: Solve for x
    x = 3,297,084,882.64/85,016.73
  6. Step 6: Final answer
    x = 38,781.60

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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.