Finding the Fourth Proportional to 80,119.08, 110,590.62 and 56,251.68
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Solution
The fourth proportional to 80,119.08, 110,590.62 and 56,251.68 is: 77,645.78
Step by Step Solution
- Step 1: Write the proportion equation
80,119.08 : 110,590.62 = 56,251.68 : x - Step 2: Convert to fraction form
80,119.08/110,590.62 = 56,251.68/x - Step 3: Cross multiply
80,119.08x = 110,590.62 × 56,251.68 - Step 4: Simplify right side
80,119.08x = 6,220,908,167.24 - Step 5: Solve for x
x = 6,220,908,167.24/80,119.08 - Step 6: Final answer
x = 77,645.78
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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.