Finding the Fourth Proportional to 84,101.97, 126,152.94 and 57,726.75
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Solution
The fourth proportional to 84,101.97, 126,152.94 and 57,726.75 is: 86,590.11
Step by Step Solution
- Step 1: Write the proportion equation
84,101.97 : 126,152.94 = 57,726.75 : x - Step 2: Convert to fraction form
84,101.97/126,152.94 = 57,726.75/x - Step 3: Cross multiply
84,101.97x = 126,152.94 × 57,726.75 - Step 4: Simplify right side
84,101.97x = 7,282,399,229.15 - Step 5: Solve for x
x = 7,282,399,229.15/84,101.97 - Step 6: Final answer
x = 86,590.11
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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.