Home / 90,647.48-125,101.96-54,846.28

Finding the Fourth Proportional to 90,647.48, 125,101.96 and 54,846.28

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Solution

The fourth proportional to 90,647.48, 125,101.96 and 54,846.28 is: 75,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,647.48 : 125,101.96 = 54,846.28 : x
  2. Step 2: Convert to fraction form
    90,647.48/125,101.96 = 54,846.28/x
  3. Step 3: Cross multiply
    90,647.48x = 125,101.96 × 54,846.28
  4. Step 4: Simplify right side
    90,647.48x = 6,861,377,126.71
  5. Step 5: Solve for x
    x = 6,861,377,126.71/90,647.48
  6. Step 6: Final answer
    x = 75,692.97

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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.