Finding the Fourth Proportional to 79,211.07, 109,294.26 and 46,955.85
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Solution
The fourth proportional to 79,211.07, 109,294.26 and 46,955.85 is: 64,788.99
Step by Step Solution
- Step 1: Write the proportion equation
79,211.07 : 109,294.26 = 46,955.85 : x - Step 2: Convert to fraction form
79,211.07/109,294.26 = 46,955.85/x - Step 3: Cross multiply
79,211.07x = 109,294.26 × 46,955.85 - Step 4: Simplify right side
79,211.07x = 5,132,004,878.42 - Step 5: Solve for x
x = 5,132,004,878.42/79,211.07 - Step 6: Final answer
x = 64,788.99
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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.