Finding the Fourth Proportional to 86,119.03, 129,108.84 and 26,924.23
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Solution
The fourth proportional to 86,119.03, 129,108.84 and 26,924.23 is: 40,364.55
Step by Step Solution
- Step 1: Write the proportion equation
86,119.03 : 129,108.84 = 26,924.23 : x - Step 2: Convert to fraction form
86,119.03/129,108.84 = 26,924.23/x - Step 3: Cross multiply
86,119.03x = 129,108.84 × 26,924.23 - Step 4: Simplify right side
86,119.03x = 3,476,156,103.19 - Step 5: Solve for x
x = 3,476,156,103.19/86,119.03 - Step 6: Final answer
x = 40,364.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.