Home / 57,075.75-78,770.43-32,877.54

Finding the Fourth Proportional to 57,075.75, 78,770.43 and 32,877.54

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Solution

The fourth proportional to 57,075.75, 78,770.43 and 32,877.54 is: 45,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.75 : 78,770.43 = 32,877.54 : x
  2. Step 2: Convert to fraction form
    57,075.75/78,770.43 = 32,877.54/x
  3. Step 3: Cross multiply
    57,075.75x = 78,770.43 × 32,877.54
  4. Step 4: Simplify right side
    57,075.75x = 2,589,777,963.14
  5. Step 5: Solve for x
    x = 2,589,777,963.14/57,075.75
  6. Step 6: Final answer
    x = 45,374.40

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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.