Finding the Fourth Proportional to 76,242.35, 114,371.97 and 26,316.79
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Solution
The fourth proportional to 76,242.35, 114,371.97 and 26,316.79 is: 39,478.09
Step by Step Solution
- Step 1: Write the proportion equation
76,242.35 : 114,371.97 = 26,316.79 : x - Step 2: Convert to fraction form
76,242.35/114,371.97 = 26,316.79/x - Step 3: Cross multiply
76,242.35x = 114,371.97 × 26,316.79 - Step 4: Simplify right side
76,242.35x = 3,009,902,830.45 - Step 5: Solve for x
x = 3,009,902,830.45/76,242.35 - Step 6: Final answer
x = 39,478.09
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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.