Home / 84,801.21-127,206.27-25,635.38

Finding the Fourth Proportional to 84,801.21, 127,206.27 and 25,635.38

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Solution

The fourth proportional to 84,801.21, 127,206.27 and 25,635.38 is: 38,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,801.21 : 127,206.27 = 25,635.38 : x
  2. Step 2: Convert to fraction form
    84,801.21/127,206.27 = 25,635.38/x
  3. Step 3: Cross multiply
    84,801.21x = 127,206.27 × 25,635.38
  4. Step 4: Simplify right side
    84,801.21x = 3,260,980,433.80
  5. Step 5: Solve for x
    x = 3,260,980,433.80/84,801.21
  6. Step 6: Final answer
    x = 38,454.41

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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.