Home / 57,334.99-79,124.29-31,841.78

Finding the Fourth Proportional to 57,334.99, 79,124.29 and 31,841.78

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Solution

The fourth proportional to 57,334.99, 79,124.29 and 31,841.78 is: 43,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,334.99 : 79,124.29 = 31,841.78 : x
  2. Step 2: Convert to fraction form
    57,334.99/79,124.29 = 31,841.78/x
  3. Step 3: Cross multiply
    57,334.99x = 79,124.29 × 31,841.78
  4. Step 4: Simplify right side
    57,334.99x = 2,519,458,234.84
  5. Step 5: Solve for x
    x = 2,519,458,234.84/57,334.99
  6. Step 6: Final answer
    x = 43,942.77

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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.