Home / 51,723.05-77,452.74-47,392.79

Finding the Fourth Proportional to 51,723.05, 77,452.74 and 47,392.79

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Solution

The fourth proportional to 51,723.05, 77,452.74 and 47,392.79 is: 70,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.05 : 77,452.74 = 47,392.79 : x
  2. Step 2: Convert to fraction form
    51,723.05/77,452.74 = 47,392.79/x
  3. Step 3: Cross multiply
    51,723.05x = 77,452.74 × 47,392.79
  4. Step 4: Simplify right side
    51,723.05x = 3,670,701,054.48
  5. Step 5: Solve for x
    x = 3,670,701,054.48/51,723.05
  6. Step 6: Final answer
    x = 70,968.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.