Home / 87,775.26-131,662.89-48,312.06

Finding the Fourth Proportional to 87,775.26, 131,662.89 and 48,312.06

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Solution

The fourth proportional to 87,775.26, 131,662.89 and 48,312.06 is: 72,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,775.26 : 131,662.89 = 48,312.06 : x
  2. Step 2: Convert to fraction form
    87,775.26/131,662.89 = 48,312.06/x
  3. Step 3: Cross multiply
    87,775.26x = 131,662.89 × 48,312.06
  4. Step 4: Simplify right side
    87,775.26x = 6,360,905,441.45
  5. Step 5: Solve for x
    x = 6,360,905,441.45/87,775.26
  6. Step 6: Final answer
    x = 72,468.09

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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.