Home / 87,662.36-131,492.73-37,777.70

Finding the Fourth Proportional to 87,662.36, 131,492.73 and 37,777.70

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Solution

The fourth proportional to 87,662.36, 131,492.73 and 37,777.70 is: 56,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,662.36 : 131,492.73 = 37,777.70 : x
  2. Step 2: Convert to fraction form
    87,662.36/131,492.73 = 37,777.70/x
  3. Step 3: Cross multiply
    87,662.36x = 131,492.73 × 37,777.70
  4. Step 4: Simplify right side
    87,662.36x = 4,967,492,906.12
  5. Step 5: Solve for x
    x = 4,967,492,906.12/87,662.36
  6. Step 6: Final answer
    x = 56,666.20

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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.