Home / 57,075.44-78,766.92-32,880.02

Finding the Fourth Proportional to 57,075.44, 78,766.92 and 32,880.02

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Solution

The fourth proportional to 57,075.44, 78,766.92 and 32,880.02 is: 45,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.44 : 78,766.92 = 32,880.02 : x
  2. Step 2: Convert to fraction form
    57,075.44/78,766.92 = 32,880.02/x
  3. Step 3: Cross multiply
    57,075.44x = 78,766.92 × 32,880.02
  4. Step 4: Simplify right side
    57,075.44x = 2,589,857,511.10
  5. Step 5: Solve for x
    x = 2,589,857,511.10/57,075.44
  6. Step 6: Final answer
    x = 45,376.05

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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.