Home / 45,774.34-68,671.32-14,183.70

Finding the Fourth Proportional to 45,774.34, 68,671.32 and 14,183.70

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Solution

The fourth proportional to 45,774.34, 68,671.32 and 14,183.70 is: 21,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,774.34 : 68,671.32 = 14,183.70 : x
  2. Step 2: Convert to fraction form
    45,774.34/68,671.32 = 14,183.70/x
  3. Step 3: Cross multiply
    45,774.34x = 68,671.32 × 14,183.70
  4. Step 4: Simplify right side
    45,774.34x = 974,013,401.48
  5. Step 5: Solve for x
    x = 974,013,401.48/45,774.34
  6. Step 6: Final answer
    x = 21,278.59

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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.