Finding the Fourth Proportional to 75,058.20, 112,587.18 and 35,593.74
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Solution
The fourth proportional to 75,058.20, 112,587.18 and 35,593.74 is: 53,390.55
Step by Step Solution
- Step 1: Write the proportion equation
75,058.20 : 112,587.18 = 35,593.74 : x - Step 2: Convert to fraction form
75,058.20/112,587.18 = 35,593.74/x - Step 3: Cross multiply
75,058.20x = 112,587.18 × 35,593.74 - Step 4: Simplify right side
75,058.20x = 4,007,398,812.25 - Step 5: Solve for x
x = 4,007,398,812.25/75,058.20 - Step 6: Final answer
x = 53,390.55
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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.