Home / 45,772.34-68,668.32-14,181.70

Finding the Fourth Proportional to 45,772.34, 68,668.32 and 14,181.70

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Solution

The fourth proportional to 45,772.34, 68,668.32 and 14,181.70 is: 21,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,772.34 : 68,668.32 = 14,181.70 : x
  2. Step 2: Convert to fraction form
    45,772.34/68,668.32 = 14,181.70/x
  3. Step 3: Cross multiply
    45,772.34x = 68,668.32 × 14,181.70
  4. Step 4: Simplify right side
    45,772.34x = 973,833,713.99
  5. Step 5: Solve for x
    x = 973,833,713.99/45,772.34
  6. Step 6: Final answer
    x = 21,275.59

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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.