Home / 57,930.08-79,943.84-32,784.80

Finding the Fourth Proportional to 57,930.08, 79,943.84 and 32,784.80

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Solution

The fourth proportional to 57,930.08, 79,943.84 and 32,784.80 is: 45,243.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.08 : 79,943.84 = 32,784.80 : x
  2. Step 2: Convert to fraction form
    57,930.08/79,943.84 = 32,784.80/x
  3. Step 3: Cross multiply
    57,930.08x = 79,943.84 × 32,784.80
  4. Step 4: Simplify right side
    57,930.08x = 2,620,942,805.63
  5. Step 5: Solve for x
    x = 2,620,942,805.63/57,930.08
  6. Step 6: Final answer
    x = 45,243.21

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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.