Finding the Fourth Proportional to 79,193.24, 109,259.35 and 45,177.19
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Solution
The fourth proportional to 79,193.24, 109,259.35 and 45,177.19 is: 62,328.94
Step by Step Solution
- Step 1: Write the proportion equation
79,193.24 : 109,259.35 = 45,177.19 : x - Step 2: Convert to fraction form
79,193.24/109,259.35 = 45,177.19/x - Step 3: Cross multiply
79,193.24x = 109,259.35 × 45,177.19 - Step 4: Simplify right side
79,193.24x = 4,936,030,414.23 - Step 5: Solve for x
x = 4,936,030,414.23/79,193.24 - Step 6: Final answer
x = 62,328.94
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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.