Finding the Fourth Proportional to 84,885.92, 117,184.12 and 53,065.08
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Solution
The fourth proportional to 84,885.92, 117,184.12 and 53,065.08 is: 73,255.78
Step by Step Solution
- Step 1: Write the proportion equation
84,885.92 : 117,184.12 = 53,065.08 : x - Step 2: Convert to fraction form
84,885.92/117,184.12 = 53,065.08/x - Step 3: Cross multiply
84,885.92x = 117,184.12 × 53,065.08 - Step 4: Simplify right side
84,885.92x = 6,218,384,702.53 - Step 5: Solve for x
x = 6,218,384,702.53/84,885.92 - Step 6: Final answer
x = 73,255.78
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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.