Home / 57,075.20-78,600.48-41,134.40

Finding the Fourth Proportional to 57,075.20, 78,600.48 and 41,134.40

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Solution

The fourth proportional to 57,075.20, 78,600.48 and 41,134.40 is: 56,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.20 : 78,600.48 = 41,134.40 : x
  2. Step 2: Convert to fraction form
    57,075.20/78,600.48 = 41,134.40/x
  3. Step 3: Cross multiply
    57,075.20x = 78,600.48 × 41,134.40
  4. Step 4: Simplify right side
    57,075.20x = 3,233,183,584.51
  5. Step 5: Solve for x
    x = 3,233,183,584.51/57,075.20
  6. Step 6: Final answer
    x = 56,647.78

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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.