Home / 57,620.03-79,487.37-38,504.49

Finding the Fourth Proportional to 57,620.03, 79,487.37 and 38,504.49

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Solution

The fourth proportional to 57,620.03, 79,487.37 and 38,504.49 is: 53,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.03 : 79,487.37 = 38,504.49 : x
  2. Step 2: Convert to fraction form
    57,620.03/79,487.37 = 38,504.49/x
  3. Step 3: Cross multiply
    57,620.03x = 79,487.37 × 38,504.49
  4. Step 4: Simplify right side
    57,620.03x = 3,060,620,643.29
  5. Step 5: Solve for x
    x = 3,060,620,643.29/57,620.03
  6. Step 6: Final answer
    x = 53,117.31

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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.