Home / 103,621.38-155,415.51-37,049.10

Finding the Fourth Proportional to 103,621.38, 155,415.51 and 37,049.10

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Solution

The fourth proportional to 103,621.38, 155,415.51 and 37,049.10 is: 55,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.38 : 155,415.51 = 37,049.10 : x
  2. Step 2: Convert to fraction form
    103,621.38/155,415.51 = 37,049.10/x
  3. Step 3: Cross multiply
    103,621.38x = 155,415.51 × 37,049.10
  4. Step 4: Simplify right side
    103,621.38x = 5,758,004,771.54
  5. Step 5: Solve for x
    x = 5,758,004,771.54/103,621.38
  6. Step 6: Final answer
    x = 55,567.73

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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.