Home / 57,619.03-79,485.99-38,503.50

Finding the Fourth Proportional to 57,619.03, 79,485.99 and 38,503.50

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Solution

The fourth proportional to 57,619.03, 79,485.99 and 38,503.50 is: 53,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.03 : 79,485.99 = 38,503.50 : x
  2. Step 2: Convert to fraction form
    57,619.03/79,485.99 = 38,503.50/x
  3. Step 3: Cross multiply
    57,619.03x = 79,485.99 × 38,503.50
  4. Step 4: Simplify right side
    57,619.03x = 3,060,488,418.54
  5. Step 5: Solve for x
    x = 3,060,488,418.54/57,619.03
  6. Step 6: Final answer
    x = 53,115.94

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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.