Finding the Fourth Proportional to 79,870.07, 110,239.91 and 48,032.82
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Solution
The fourth proportional to 79,870.07, 110,239.91 and 48,032.82 is: 66,296.85
Step by Step Solution
- Step 1: Write the proportion equation
79,870.07 : 110,239.91 = 48,032.82 : x - Step 2: Convert to fraction form
79,870.07/110,239.91 = 48,032.82/x - Step 3: Cross multiply
79,870.07x = 110,239.91 × 48,032.82 - Step 4: Simplify right side
79,870.07x = 5,295,133,513.68 - Step 5: Solve for x
x = 5,295,133,513.68/79,870.07 - Step 6: Final answer
x = 66,296.85
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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.