Home / 84,936.52-127,404.78-25,772.50

Finding the Fourth Proportional to 84,936.52, 127,404.78 and 25,772.50

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Solution

The fourth proportional to 84,936.52, 127,404.78 and 25,772.50 is: 38,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,936.52 : 127,404.78 = 25,772.50 : x
  2. Step 2: Convert to fraction form
    84,936.52/127,404.78 = 25,772.50/x
  3. Step 3: Cross multiply
    84,936.52x = 127,404.78 × 25,772.50
  4. Step 4: Simplify right side
    84,936.52x = 3,283,539,692.55
  5. Step 5: Solve for x
    x = 3,283,539,692.55/84,936.52
  6. Step 6: Final answer
    x = 38,658.75

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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.