Home / 45,380.84-68,071.22-14,218.52

Finding the Fourth Proportional to 45,380.84, 68,071.22 and 14,218.52

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Solution

The fourth proportional to 45,380.84, 68,071.22 and 14,218.52 is: 21,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.84 : 68,071.22 = 14,218.52 : x
  2. Step 2: Convert to fraction form
    45,380.84/68,071.22 = 14,218.52/x
  3. Step 3: Cross multiply
    45,380.84x = 68,071.22 × 14,218.52
  4. Step 4: Simplify right side
    45,380.84x = 967,872,002.99
  5. Step 5: Solve for x
    x = 967,872,002.99/45,380.84
  6. Step 6: Final answer
    x = 21,327.77

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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.