Finding the Fourth Proportional to 79,124.85, 109,193.58 and 43,314.26
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Solution
The fourth proportional to 79,124.85, 109,193.58 and 43,314.26 is: 59,774.38
Step by Step Solution
- Step 1: Write the proportion equation
79,124.85 : 109,193.58 = 43,314.26 : x - Step 2: Convert to fraction form
79,124.85/109,193.58 = 43,314.26/x - Step 3: Cross multiply
79,124.85x = 109,193.58 × 43,314.26 - Step 4: Simplify right side
79,124.85x = 4,729,638,568.48 - Step 5: Solve for x
x = 4,729,638,568.48/79,124.85 - Step 6: Final answer
x = 59,774.38
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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.