Finding the Fourth Proportional to 75,296.98, 103,910.80 and 41,303.26
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Solution
The fourth proportional to 75,296.98, 103,910.80 and 41,303.26 is: 56,999.03
Step by Step Solution
- Step 1: Write the proportion equation
75,296.98 : 103,910.80 = 41,303.26 : x - Step 2: Convert to fraction form
75,296.98/103,910.80 = 41,303.26/x - Step 3: Cross multiply
75,296.98x = 103,910.80 × 41,303.26 - Step 4: Simplify right side
75,296.98x = 4,291,854,789.21 - Step 5: Solve for x
x = 4,291,854,789.21/75,296.98 - Step 6: Final answer
x = 56,999.03
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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.