Home / 40,698.30-61,039.22-11,113.68

Finding the Fourth Proportional to 40,698.30, 61,039.22 and 11,113.68

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Solution

The fourth proportional to 40,698.30, 61,039.22 and 11,113.68 is: 16,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.30 : 61,039.22 = 11,113.68 : x
  2. Step 2: Convert to fraction form
    40,698.30/61,039.22 = 11,113.68/x
  3. Step 3: Cross multiply
    40,698.30x = 61,039.22 × 11,113.68
  4. Step 4: Simplify right side
    40,698.30x = 678,370,358.53
  5. Step 5: Solve for x
    x = 678,370,358.53/40,698.30
  6. Step 6: Final answer
    x = 16,668.27

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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.