Home / 51,707.80-71,351.70-29,041.60

Finding the Fourth Proportional to 51,707.80, 71,351.70 and 29,041.60

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Solution

The fourth proportional to 51,707.80, 71,351.70 and 29,041.60 is: 40,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.80 : 71,351.70 = 29,041.60 : x
  2. Step 2: Convert to fraction form
    51,707.80/71,351.70 = 29,041.60/x
  3. Step 3: Cross multiply
    51,707.80x = 71,351.70 × 29,041.60
  4. Step 4: Simplify right side
    51,707.80x = 2,072,167,530.72
  5. Step 5: Solve for x
    x = 2,072,167,530.72/51,707.80
  6. Step 6: Final answer
    x = 40,074.56

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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.