Home / 87,504.37-131,307.53-36,900.30

Finding the Fourth Proportional to 87,504.37, 131,307.53 and 36,900.30

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Solution

The fourth proportional to 87,504.37, 131,307.53 and 36,900.30 is: 55,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,504.37 : 131,307.53 = 36,900.30 : x
  2. Step 2: Convert to fraction form
    87,504.37/131,307.53 = 36,900.30/x
  3. Step 3: Cross multiply
    87,504.37x = 131,307.53 × 36,900.30
  4. Step 4: Simplify right side
    87,504.37x = 4,845,287,249.26
  5. Step 5: Solve for x
    x = 4,845,287,249.26/87,504.37
  6. Step 6: Final answer
    x = 55,371.95

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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.