Home / 90,477.87-135,717.18-37,850.46

Finding the Fourth Proportional to 90,477.87, 135,717.18 and 37,850.46

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Solution

The fourth proportional to 90,477.87, 135,717.18 and 37,850.46 is: 56,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,477.87 : 135,717.18 = 37,850.46 : x
  2. Step 2: Convert to fraction form
    90,477.87/135,717.18 = 37,850.46/x
  3. Step 3: Cross multiply
    90,477.87x = 135,717.18 × 37,850.46
  4. Step 4: Simplify right side
    90,477.87x = 5,136,957,692.90
  5. Step 5: Solve for x
    x = 5,136,957,692.90/90,477.87
  6. Step 6: Final answer
    x = 56,775.85

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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.