Home / 57,257.50-79,015.55-31,764.37

Finding the Fourth Proportional to 57,257.50, 79,015.55 and 31,764.37

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Solution

The fourth proportional to 57,257.50, 79,015.55 and 31,764.37 is: 43,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.50 : 79,015.55 = 31,764.37 : x
  2. Step 2: Convert to fraction form
    57,257.50/79,015.55 = 31,764.37/x
  3. Step 3: Cross multiply
    57,257.50x = 79,015.55 × 31,764.37
  4. Step 4: Simplify right side
    57,257.50x = 2,509,879,165.95
  5. Step 5: Solve for x
    x = 2,509,879,165.95/57,257.50
  6. Step 6: Final answer
    x = 43,834.94

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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.