Home / 84,964.25-127,438.14-25,800.44

Finding the Fourth Proportional to 84,964.25, 127,438.14 and 25,800.44

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Solution

The fourth proportional to 84,964.25, 127,438.14 and 25,800.44 is: 38,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,964.25 : 127,438.14 = 25,800.44 : x
  2. Step 2: Convert to fraction form
    84,964.25/127,438.14 = 25,800.44/x
  3. Step 3: Cross multiply
    84,964.25x = 127,438.14 × 25,800.44
  4. Step 4: Simplify right side
    84,964.25x = 3,287,960,084.78
  5. Step 5: Solve for x
    x = 3,287,960,084.78/84,964.25
  6. Step 6: Final answer
    x = 38,698.16

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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.