Home / 45,243.96-67,858.38-14,076.78

Finding the Fourth Proportional to 45,243.96, 67,858.38 and 14,076.78

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Solution

The fourth proportional to 45,243.96, 67,858.38 and 14,076.78 is: 21,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243.96 : 67,858.38 = 14,076.78 : x
  2. Step 2: Convert to fraction form
    45,243.96/67,858.38 = 14,076.78/x
  3. Step 3: Cross multiply
    45,243.96x = 67,858.38 × 14,076.78
  4. Step 4: Simplify right side
    45,243.96x = 955,227,486.42
  5. Step 5: Solve for x
    x = 955,227,486.42/45,243.96
  6. Step 6: Final answer
    x = 21,112.82

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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.