Finding the Fourth Proportional to 79,261.74, 109,381.98 and 43,452.48
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Solution
The fourth proportional to 79,261.74, 109,381.98 and 43,452.48 is: 59,964.85
Step by Step Solution
- Step 1: Write the proportion equation
79,261.74 : 109,381.98 = 43,452.48 : x - Step 2: Convert to fraction form
79,261.74/109,381.98 = 43,452.48/x - Step 3: Cross multiply
79,261.74x = 109,381.98 × 43,452.48 - Step 4: Simplify right side
79,261.74x = 4,752,918,298.31 - Step 5: Solve for x
x = 4,752,918,298.31/79,261.74 - Step 6: Final answer
x = 59,964.85
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1.5x scale
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.