Home / 45,705.80-68,589.30-16,123.70

Finding the Fourth Proportional to 45,705.80, 68,589.30 and 16,123.70

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Solution

The fourth proportional to 45,705.80, 68,589.30 and 16,123.70 is: 24,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.80 : 68,589.30 = 16,123.70 : x
  2. Step 2: Convert to fraction form
    45,705.80/68,589.30 = 16,123.70/x
  3. Step 3: Cross multiply
    45,705.80x = 68,589.30 × 16,123.70
  4. Step 4: Simplify right side
    45,705.80x = 1,105,913,296.41
  5. Step 5: Solve for x
    x = 1,105,913,296.41/45,705.80
  6. Step 6: Final answer
    x = 24,196.34

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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.