Home / 65,692.07-90,548.58-51,326.85

Finding the Fourth Proportional to 65,692.07, 90,548.58 and 51,326.85

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Solution

The fourth proportional to 65,692.07, 90,548.58 and 51,326.85 is: 70,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,692.07 : 90,548.58 = 51,326.85 : x
  2. Step 2: Convert to fraction form
    65,692.07/90,548.58 = 51,326.85/x
  3. Step 3: Cross multiply
    65,692.07x = 90,548.58 × 51,326.85
  4. Step 4: Simplify right side
    65,692.07x = 4,647,573,383.37
  5. Step 5: Solve for x
    x = 4,647,573,383.37/65,692.07
  6. Step 6: Final answer
    x = 70,747.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.