Finding the Fourth Proportional to 113,703.24, 156,911.30 and 62,717.80
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Solution
The fourth proportional to 113,703.24, 156,911.30 and 62,717.80 is: 86,551.02
Step by Step Solution
- Step 1: Write the proportion equation
113,703.24 : 156,911.30 = 62,717.80 : x - Step 2: Convert to fraction form
113,703.24/156,911.30 = 62,717.80/x - Step 3: Cross multiply
113,703.24x = 156,911.30 × 62,717.80 - Step 4: Simplify right side
113,703.24x = 9,841,131,531.14 - Step 5: Solve for x
x = 9,841,131,531.14/113,703.24 - Step 6: Final answer
x = 86,551.02
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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.