Home / 51,975.03-71,688.72-51,197.43

Finding the Fourth Proportional to 51,975.03, 71,688.72 and 51,197.43

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Solution

The fourth proportional to 51,975.03, 71,688.72 and 51,197.43 is: 70,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.03 : 71,688.72 = 51,197.43 : x
  2. Step 2: Convert to fraction form
    51,975.03/71,688.72 = 51,197.43/x
  3. Step 3: Cross multiply
    51,975.03x = 71,688.72 × 51,197.43
  4. Step 4: Simplify right side
    51,975.03x = 3,670,278,223.99
  5. Step 5: Solve for x
    x = 3,670,278,223.99/51,975.03
  6. Step 6: Final answer
    x = 70,616.18

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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.