Finding the Fourth Proportional to 84,636.74, 116,767.44 and 50,646.02
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Solution
The fourth proportional to 84,636.74, 116,767.44 and 50,646.02 is: 69,872.80
Step by Step Solution
- Step 1: Write the proportion equation
84,636.74 : 116,767.44 = 50,646.02 : x - Step 2: Convert to fraction form
84,636.74/116,767.44 = 50,646.02/x - Step 3: Cross multiply
84,636.74x = 116,767.44 × 50,646.02 - Step 4: Simplify right side
84,636.74x = 5,913,806,101.59 - Step 5: Solve for x
x = 5,913,806,101.59/84,636.74 - Step 6: Final answer
x = 69,872.80
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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.