Finding the Fourth Proportional to 71,420.13, 107,131.71 and 24,036.66
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Solution
The fourth proportional to 71,420.13, 107,131.71 and 24,036.66 is: 36,055.50
Step by Step Solution
- Step 1: Write the proportion equation
71,420.13 : 107,131.71 = 24,036.66 : x - Step 2: Convert to fraction form
71,420.13/107,131.71 = 24,036.66/x - Step 3: Cross multiply
71,420.13x = 107,131.71 × 24,036.66 - Step 4: Simplify right side
71,420.13x = 2,575,088,488.49 - Step 5: Solve for x
x = 2,575,088,488.49/71,420.13 - Step 6: Final answer
x = 36,055.50
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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.