Finding the Fourth Proportional to 88,346.48, 121,968.42 and 58,219.34
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Solution
The fourth proportional to 88,346.48, 121,968.42 and 58,219.34 is: 80,375.82
Step by Step Solution
- Step 1: Write the proportion equation
88,346.48 : 121,968.42 = 58,219.34 : x - Step 2: Convert to fraction form
88,346.48/121,968.42 = 58,219.34/x - Step 3: Cross multiply
88,346.48x = 121,968.42 × 58,219.34 - Step 4: Simplify right side
88,346.48x = 7,100,920,913.24 - Step 5: Solve for x
x = 7,100,920,913.24/88,346.48 - Step 6: Final answer
x = 80,375.82
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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.