Finding the Fourth Proportional to 79,853.29, 110,197.32 and 45,863.98
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Solution
The fourth proportional to 79,853.29, 110,197.32 and 45,863.98 is: 63,292.17
Step by Step Solution
- Step 1: Write the proportion equation
79,853.29 : 110,197.32 = 45,863.98 : x - Step 2: Convert to fraction form
79,853.29/110,197.32 = 45,863.98/x - Step 3: Cross multiply
79,853.29x = 110,197.32 × 45,863.98 - Step 4: Simplify right side
79,853.29x = 5,054,087,680.53 - Step 5: Solve for x
x = 5,054,087,680.53/79,853.29 - Step 6: Final answer
x = 63,292.17
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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.