Home / 103,631.58-155,447.37-33,516.36

Finding the Fourth Proportional to 103,631.58, 155,447.37 and 33,516.36

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Solution

The fourth proportional to 103,631.58, 155,447.37 and 33,516.36 is: 50,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.58 : 155,447.37 = 33,516.36 : x
  2. Step 2: Convert to fraction form
    103,631.58/155,447.37 = 33,516.36/x
  3. Step 3: Cross multiply
    103,631.58x = 155,447.37 × 33,516.36
  4. Step 4: Simplify right side
    103,631.58x = 5,210,030,013.97
  5. Step 5: Solve for x
    x = 5,210,030,013.97/103,631.58
  6. Step 6: Final answer
    x = 50,274.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.