Home / 85,534.88-118,037.42-49,243.44

Finding the Fourth Proportional to 85,534.88, 118,037.42 and 49,243.44

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Solution

The fourth proportional to 85,534.88, 118,037.42 and 49,243.44 is: 67,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534.88 : 118,037.42 = 49,243.44 : x
  2. Step 2: Convert to fraction form
    85,534.88/118,037.42 = 49,243.44/x
  3. Step 3: Cross multiply
    85,534.88x = 118,037.42 × 49,243.44
  4. Step 4: Simplify right side
    85,534.88x = 5,812,568,609.52
  5. Step 5: Solve for x
    x = 5,812,568,609.52/85,534.88
  6. Step 6: Final answer
    x = 67,955.54

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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.