Home / 45,661.46-68,498.63-14,074.09

Finding the Fourth Proportional to 45,661.46, 68,498.63 and 14,074.09

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Solution

The fourth proportional to 45,661.46, 68,498.63 and 14,074.09 is: 21,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.46 : 68,498.63 = 14,074.09 : x
  2. Step 2: Convert to fraction form
    45,661.46/68,498.63 = 14,074.09/x
  3. Step 3: Cross multiply
    45,661.46x = 68,498.63 × 14,074.09
  4. Step 4: Simplify right side
    45,661.46x = 964,055,773.82
  5. Step 5: Solve for x
    x = 964,055,773.82/45,661.46
  6. Step 6: Final answer
    x = 21,113.12

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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.