Finding the Fourth Proportional to 79,224.49, 118,756.77 and 49,663.09
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Solution
The fourth proportional to 79,224.49, 118,756.77 and 49,663.09 is: 74,444.50
Step by Step Solution
- Step 1: Write the proportion equation
79,224.49 : 118,756.77 = 49,663.09 : x - Step 2: Convert to fraction form
79,224.49/118,756.77 = 49,663.09/x - Step 3: Cross multiply
79,224.49x = 118,756.77 × 49,663.09 - Step 4: Simplify right side
79,224.49x = 5,897,827,730.18 - Step 5: Solve for x
x = 5,897,827,730.18/79,224.49 - Step 6: Final answer
x = 74,444.50
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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.