Home / 67,289.55-92,860.36-37,074.09

Finding the Fourth Proportional to 67,289.55, 92,860.36 and 37,074.09

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Solution

The fourth proportional to 67,289.55, 92,860.36 and 37,074.09 is: 51,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.55 : 92,860.36 = 37,074.09 : x
  2. Step 2: Convert to fraction form
    67,289.55/92,860.36 = 37,074.09/x
  3. Step 3: Cross multiply
    67,289.55x = 92,860.36 × 37,074.09
  4. Step 4: Simplify right side
    67,289.55x = 3,442,713,625.43
  5. Step 5: Solve for x
    x = 3,442,713,625.43/67,289.55
  6. Step 6: Final answer
    x = 51,162.68

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1.5x scale

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.