Home / 45,064.21-67,554.48-21,382.89

Finding the Fourth Proportional to 45,064.21, 67,554.48 and 21,382.89

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Solution

The fourth proportional to 45,064.21, 67,554.48 and 21,382.89 is: 32,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,064.21 : 67,554.48 = 21,382.89 : x
  2. Step 2: Convert to fraction form
    45,064.21/67,554.48 = 21,382.89/x
  3. Step 3: Cross multiply
    45,064.21x = 67,554.48 × 21,382.89
  4. Step 4: Simplify right side
    45,064.21x = 1,444,510,014.85
  5. Step 5: Solve for x
    x = 1,444,510,014.85/45,064.21
  6. Step 6: Final answer
    x = 32,054.48

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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.