Home / 57,851.42-79,821.99-36,618.35

Finding the Fourth Proportional to 57,851.42, 79,821.99 and 36,618.35

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Solution

The fourth proportional to 57,851.42, 79,821.99 and 36,618.35 is: 50,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,851.42 : 79,821.99 = 36,618.35 : x
  2. Step 2: Convert to fraction form
    57,851.42/79,821.99 = 36,618.35/x
  3. Step 3: Cross multiply
    57,851.42x = 79,821.99 × 36,618.35
  4. Step 4: Simplify right side
    57,851.42x = 2,922,949,168.41
  5. Step 5: Solve for x
    x = 2,922,949,168.41/57,851.42
  6. Step 6: Final answer
    x = 50,525.11

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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.