Home / 57,256.21-79,013.60-34,900.21

Finding the Fourth Proportional to 57,256.21, 79,013.60 and 34,900.21

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Solution

The fourth proportional to 57,256.21, 79,013.60 and 34,900.21 is: 48,162.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256.21 : 79,013.60 = 34,900.21 : x
  2. Step 2: Convert to fraction form
    57,256.21/79,013.60 = 34,900.21/x
  3. Step 3: Cross multiply
    57,256.21x = 79,013.60 × 34,900.21
  4. Step 4: Simplify right side
    57,256.21x = 2,757,591,232.86
  5. Step 5: Solve for x
    x = 2,757,591,232.86/57,256.21
  6. Step 6: Final answer
    x = 48,162.31

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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.