Finding the Fourth Proportional to 79,349.36, 109,506.20 and 47,536.70
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Solution
The fourth proportional to 79,349.36, 109,506.20 and 47,536.70 is: 65,603.09
Step by Step Solution
- Step 1: Write the proportion equation
79,349.36 : 109,506.20 = 47,536.70 : x - Step 2: Convert to fraction form
79,349.36/109,506.20 = 47,536.70/x - Step 3: Cross multiply
79,349.36x = 109,506.20 × 47,536.70 - Step 4: Simplify right side
79,349.36x = 5,205,562,592.33 - Step 5: Solve for x
x = 5,205,562,592.33/79,349.36 - Step 6: Final answer
x = 65,603.09
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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.