Finding the Fourth Proportional to 104,576.06, 156,775.93 and 45,367.09
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Solution
The fourth proportional to 104,576.06, 156,775.93 and 45,367.09 is: 68,012.39
Step by Step Solution
- Step 1: Write the proportion equation
104,576.06 : 156,775.93 = 45,367.09 : x - Step 2: Convert to fraction form
104,576.06/156,775.93 = 45,367.09/x - Step 3: Cross multiply
104,576.06x = 156,775.93 × 45,367.09 - Step 4: Simplify right side
104,576.06x = 7,112,467,726.14 - Step 5: Solve for x
x = 7,112,467,726.14/104,576.06 - Step 6: Final answer
x = 68,012.39
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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.