Home / 45,837.98-68,757.02-12,558.33

Finding the Fourth Proportional to 45,837.98, 68,757.02 and 12,558.33

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Solution

The fourth proportional to 45,837.98, 68,757.02 and 12,558.33 is: 18,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,837.98 : 68,757.02 = 12,558.33 : x
  2. Step 2: Convert to fraction form
    45,837.98/68,757.02 = 12,558.33/x
  3. Step 3: Cross multiply
    45,837.98x = 68,757.02 × 12,558.33
  4. Step 4: Simplify right side
    45,837.98x = 863,473,284.18
  5. Step 5: Solve for x
    x = 863,473,284.18/45,837.98
  6. Step 6: Final answer
    x = 18,837.51

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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.