Home / 57,756.28-79,704.96-33,900.16

Finding the Fourth Proportional to 57,756.28, 79,704.96 and 33,900.16

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Solution

The fourth proportional to 57,756.28, 79,704.96 and 33,900.16 is: 46,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.28 : 79,704.96 = 33,900.16 : x
  2. Step 2: Convert to fraction form
    57,756.28/79,704.96 = 33,900.16/x
  3. Step 3: Cross multiply
    57,756.28x = 79,704.96 × 33,900.16
  4. Step 4: Simplify right side
    57,756.28x = 2,702,010,896.79
  5. Step 5: Solve for x
    x = 2,702,010,896.79/57,756.28
  6. Step 6: Final answer
    x = 46,782.98

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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.