Finding the Fourth Proportional to 93,940.08, 129,635.64 and 51,498.96
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Solution
The fourth proportional to 93,940.08, 129,635.64 and 51,498.96 is: 71,067.65
Step by Step Solution
- Step 1: Write the proportion equation
93,940.08 : 129,635.64 = 51,498.96 : x - Step 2: Convert to fraction form
93,940.08/129,635.64 = 51,498.96/x - Step 3: Cross multiply
93,940.08x = 129,635.64 × 51,498.96 - Step 4: Simplify right side
93,940.08x = 6,676,100,638.93 - Step 5: Solve for x
x = 6,676,100,638.93/93,940.08 - Step 6: Final answer
x = 71,067.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.