Finding the Fourth Proportional to 88,805.63, 133,274.19 and 42,058.64
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Solution
The fourth proportional to 88,805.63, 133,274.19 and 42,058.64 is: 63,119.09
Step by Step Solution
- Step 1: Write the proportion equation
88,805.63 : 133,274.19 = 42,058.64 : x - Step 2: Convert to fraction form
88,805.63/133,274.19 = 42,058.64/x - Step 3: Cross multiply
88,805.63x = 133,274.19 × 42,058.64 - Step 4: Simplify right side
88,805.63x = 5,605,330,512.13 - Step 5: Solve for x
x = 5,605,330,512.13/88,805.63 - Step 6: Final answer
x = 63,119.09
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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.