Finding the Fourth Proportional to 84,956.08, 117,245.16 and 56,226.18
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Solution
The fourth proportional to 84,956.08, 117,245.16 and 56,226.18 is: 77,595.95
Step by Step Solution
- Step 1: Write the proportion equation
84,956.08 : 117,245.16 = 56,226.18 : x - Step 2: Convert to fraction form
84,956.08/117,245.16 = 56,226.18/x - Step 3: Cross multiply
84,956.08x = 117,245.16 × 56,226.18 - Step 4: Simplify right side
84,956.08x = 6,592,247,470.29 - Step 5: Solve for x
x = 6,592,247,470.29/84,956.08 - Step 6: Final answer
x = 77,595.95
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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.