Home / 45,434.33-68,162.48-14,269.58

Finding the Fourth Proportional to 45,434.33, 68,162.48 and 14,269.58

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Solution

The fourth proportional to 45,434.33, 68,162.48 and 14,269.58 is: 21,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.33 : 68,162.48 = 14,269.58 : x
  2. Step 2: Convert to fraction form
    45,434.33/68,162.48 = 14,269.58/x
  3. Step 3: Cross multiply
    45,434.33x = 68,162.48 × 14,269.58
  4. Step 4: Simplify right side
    45,434.33x = 972,649,961.36
  5. Step 5: Solve for x
    x = 972,649,961.36/45,434.33
  6. Step 6: Final answer
    x = 21,407.82

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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.