Home / 57,647.07-79,570.68-33,781.43

Finding the Fourth Proportional to 57,647.07, 79,570.68 and 33,781.43

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Solution

The fourth proportional to 57,647.07, 79,570.68 and 33,781.43 is: 46,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,647.07 : 79,570.68 = 33,781.43 : x
  2. Step 2: Convert to fraction form
    57,647.07/79,570.68 = 33,781.43/x
  3. Step 3: Cross multiply
    57,647.07x = 79,570.68 × 33,781.43
  4. Step 4: Simplify right side
    57,647.07x = 2,688,011,356.47
  5. Step 5: Solve for x
    x = 2,688,011,356.47/57,647.07
  6. Step 6: Final answer
    x = 46,628.76

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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.