Home / 66,249.42-91,423.44-49,329.33

Finding the Fourth Proportional to 66,249.42, 91,423.44 and 49,329.33

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Solution

The fourth proportional to 66,249.42, 91,423.44 and 49,329.33 is: 68,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.42 : 91,423.44 = 49,329.33 : x
  2. Step 2: Convert to fraction form
    66,249.42/91,423.44 = 49,329.33/x
  3. Step 3: Cross multiply
    66,249.42x = 91,423.44 × 49,329.33
  4. Step 4: Simplify right side
    66,249.42x = 4,509,857,041.50
  5. Step 5: Solve for x
    x = 4,509,857,041.50/66,249.42
  6. Step 6: Final answer
    x = 68,073.91

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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.