Finding the Fourth Proportional to 88,085.36, 121,557.87 and 49,844.09
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Solution
The fourth proportional to 88,085.36, 121,557.87 and 49,844.09 is: 68,784.89
Step by Step Solution
- Step 1: Write the proportion equation
88,085.36 : 121,557.87 = 49,844.09 : x - Step 2: Convert to fraction form
88,085.36/121,557.87 = 49,844.09/x - Step 3: Cross multiply
88,085.36x = 121,557.87 × 49,844.09 - Step 4: Simplify right side
88,085.36x = 6,058,941,412.49 - Step 5: Solve for x
x = 6,058,941,412.49/88,085.36 - Step 6: Final answer
x = 68,784.89
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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.