Home / 45,899.22-68,852.16-19,218.38

Finding the Fourth Proportional to 45,899.22, 68,852.16 and 19,218.38

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Solution

The fourth proportional to 45,899.22, 68,852.16 and 19,218.38 is: 28,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.22 : 68,852.16 = 19,218.38 : x
  2. Step 2: Convert to fraction form
    45,899.22/68,852.16 = 19,218.38/x
  3. Step 3: Cross multiply
    45,899.22x = 68,852.16 × 19,218.38
  4. Step 4: Simplify right side
    45,899.22x = 1,323,226,630.44
  5. Step 5: Solve for x
    x = 1,323,226,630.44/45,899.22
  6. Step 6: Final answer
    x = 28,828.95

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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.