Home / 66,039.82-91,112.76-37,725.46

Finding the Fourth Proportional to 66,039.82, 91,112.76 and 37,725.46

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Solution

The fourth proportional to 66,039.82, 91,112.76 and 37,725.46 is: 52,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,039.82 : 91,112.76 = 37,725.46 : x
  2. Step 2: Convert to fraction form
    66,039.82/91,112.76 = 37,725.46/x
  3. Step 3: Cross multiply
    66,039.82x = 91,112.76 × 37,725.46
  4. Step 4: Simplify right side
    66,039.82x = 3,437,270,782.87
  5. Step 5: Solve for x
    x = 3,437,270,782.87/66,039.82
  6. Step 6: Final answer
    x = 52,048.46

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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.