Home / 45,700.30-68,556.95-14,112.96

Finding the Fourth Proportional to 45,700.30, 68,556.95 and 14,112.96

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Solution

The fourth proportional to 45,700.30, 68,556.95 and 14,112.96 is: 21,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,700.30 : 68,556.95 = 14,112.96 : x
  2. Step 2: Convert to fraction form
    45,700.30/68,556.95 = 14,112.96/x
  3. Step 3: Cross multiply
    45,700.30x = 68,556.95 × 14,112.96
  4. Step 4: Simplify right side
    45,700.30x = 967,541,493.07
  5. Step 5: Solve for x
    x = 967,541,493.07/45,700.30
  6. Step 6: Final answer
    x = 21,171.45

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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.