Home / 57,457.62-79,291.26-33,579.45

Finding the Fourth Proportional to 57,457.62, 79,291.26 and 33,579.45

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Solution

The fourth proportional to 57,457.62, 79,291.26 and 33,579.45 is: 46,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.62 : 79,291.26 = 33,579.45 : x
  2. Step 2: Convert to fraction form
    57,457.62/79,291.26 = 33,579.45/x
  3. Step 3: Cross multiply
    57,457.62x = 79,291.26 × 33,579.45
  4. Step 4: Simplify right side
    57,457.62x = 2,662,556,900.61
  5. Step 5: Solve for x
    x = 2,662,556,900.61/57,457.62
  6. Step 6: Final answer
    x = 46,339.49

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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.