Home / 66,029.89-91,120.58-35,814.56

Finding the Fourth Proportional to 66,029.89, 91,120.58 and 35,814.56

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Solution

The fourth proportional to 66,029.89, 91,120.58 and 35,814.56 is: 49,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.89 : 91,120.58 = 35,814.56 : x
  2. Step 2: Convert to fraction form
    66,029.89/91,120.58 = 35,814.56/x
  3. Step 3: Cross multiply
    66,029.89x = 91,120.58 × 35,814.56
  4. Step 4: Simplify right side
    66,029.89x = 3,263,443,528.37
  5. Step 5: Solve for x
    x = 3,263,443,528.37/66,029.89
  6. Step 6: Final answer
    x = 49,423.73

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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.