Home / 57,515.09-79,343.00-37,091.76

Finding the Fourth Proportional to 57,515.09, 79,343.00 and 37,091.76

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Solution

The fourth proportional to 57,515.09, 79,343.00 and 37,091.76 is: 51,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.09 : 79,343.00 = 37,091.76 : x
  2. Step 2: Convert to fraction form
    57,515.09/79,343.00 = 37,091.76/x
  3. Step 3: Cross multiply
    57,515.09x = 79,343.00 × 37,091.76
  4. Step 4: Simplify right side
    57,515.09x = 2,942,971,764.85
  5. Step 5: Solve for x
    x = 2,942,971,764.85/57,515.09
  6. Step 6: Final answer
    x = 51,168.69

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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.