Home / 46,115.69-69,150.26-21,134.67

Finding the Fourth Proportional to 46,115.69, 69,150.26 and 21,134.67

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Solution

The fourth proportional to 46,115.69, 69,150.26 and 21,134.67 is: 31,691.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,115.69 : 69,150.26 = 21,134.67 : x
  2. Step 2: Convert to fraction form
    46,115.69/69,150.26 = 21,134.67/x
  3. Step 3: Cross multiply
    46,115.69x = 69,150.26 × 21,134.67
  4. Step 4: Simplify right side
    46,115.69x = 1,461,467,819.84
  5. Step 5: Solve for x
    x = 1,461,467,819.84/46,115.69
  6. Step 6: Final answer
    x = 31,691.34

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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.