Home / 57,070.44-78,763.86-33,198.12

Finding the Fourth Proportional to 57,070.44, 78,763.86 and 33,198.12

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Solution

The fourth proportional to 57,070.44, 78,763.86 and 33,198.12 is: 45,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,070.44 : 78,763.86 = 33,198.12 : x
  2. Step 2: Convert to fraction form
    57,070.44/78,763.86 = 33,198.12/x
  3. Step 3: Cross multiply
    57,070.44x = 78,763.86 × 33,198.12
  4. Step 4: Simplify right side
    57,070.44x = 2,614,812,075.94
  5. Step 5: Solve for x
    x = 2,614,812,075.94/57,070.44
  6. Step 6: Final answer
    x = 45,817.28

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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.