Home / 83,692.04-115,497.78-45,969.80

Finding the Fourth Proportional to 83,692.04, 115,497.78 and 45,969.80

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Solution

The fourth proportional to 83,692.04, 115,497.78 and 45,969.80 is: 63,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,692.04 : 115,497.78 = 45,969.80 : x
  2. Step 2: Convert to fraction form
    83,692.04/115,497.78 = 45,969.80/x
  3. Step 3: Cross multiply
    83,692.04x = 115,497.78 × 45,969.80
  4. Step 4: Simplify right side
    83,692.04x = 5,309,409,847.04
  5. Step 5: Solve for x
    x = 5,309,409,847.04/83,692.04
  6. Step 6: Final answer
    x = 63,439.84

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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.