Home / 49,830.87-68,710.74-40,727.98

Finding the Fourth Proportional to 49,830.87, 68,710.74 and 40,727.98

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Solution

The fourth proportional to 49,830.87, 68,710.74 and 40,727.98 is: 56,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830.87 : 68,710.74 = 40,727.98 : x
  2. Step 2: Convert to fraction form
    49,830.87/68,710.74 = 40,727.98/x
  3. Step 3: Cross multiply
    49,830.87x = 68,710.74 × 40,727.98
  4. Step 4: Simplify right side
    49,830.87x = 2,798,449,692.21
  5. Step 5: Solve for x
    x = 2,798,449,692.21/49,830.87
  6. Step 6: Final answer
    x = 56,158.96

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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.