Home / 45,605.30-68,401.11-14,436.50

Finding the Fourth Proportional to 45,605.30, 68,401.11 and 14,436.50

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Solution

The fourth proportional to 45,605.30, 68,401.11 and 14,436.50 is: 21,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,605.30 : 68,401.11 = 14,436.50 : x
  2. Step 2: Convert to fraction form
    45,605.30/68,401.11 = 14,436.50/x
  3. Step 3: Cross multiply
    45,605.30x = 68,401.11 × 14,436.50
  4. Step 4: Simplify right side
    45,605.30x = 987,472,624.52
  5. Step 5: Solve for x
    x = 987,472,624.52/45,605.30
  6. Step 6: Final answer
    x = 21,652.58

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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.