Finding the Fourth Proportional to 94,103.17, 129,862.85 and 53,818.63
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Solution
The fourth proportional to 94,103.17, 129,862.85 and 53,818.63 is: 74,269.98
Step by Step Solution
- Step 1: Write the proportion equation
94,103.17 : 129,862.85 = 53,818.63 : x - Step 2: Convert to fraction form
94,103.17/129,862.85 = 53,818.63/x - Step 3: Cross multiply
94,103.17x = 129,862.85 × 53,818.63 - Step 4: Simplify right side
94,103.17x = 6,989,040,081.15 - Step 5: Solve for x
x = 6,989,040,081.15/94,103.17 - Step 6: Final answer
x = 74,269.98
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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.