Home / 58,161.36-87,247.44-18,709.12

Finding the Fourth Proportional to 58,161.36, 87,247.44 and 18,709.12

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Solution

The fourth proportional to 58,161.36, 87,247.44 and 18,709.12 is: 28,065.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,161.36 : 87,247.44 = 18,709.12 : x
  2. Step 2: Convert to fraction form
    58,161.36/87,247.44 = 18,709.12/x
  3. Step 3: Cross multiply
    58,161.36x = 87,247.44 × 18,709.12
  4. Step 4: Simplify right side
    58,161.36x = 1,632,322,824.65
  5. Step 5: Solve for x
    x = 1,632,322,824.65/58,161.36
  6. Step 6: Final answer
    x = 28,065.42

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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.