Finding the Fourth Proportional to 73,810.30, 110,703.54 and 21,207.82
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Solution
The fourth proportional to 73,810.30, 110,703.54 and 21,207.82 is: 31,808.31
Step by Step Solution
- Step 1: Write the proportion equation
73,810.30 : 110,703.54 = 21,207.82 : x - Step 2: Convert to fraction form
73,810.30/110,703.54 = 21,207.82/x - Step 3: Cross multiply
73,810.30x = 110,703.54 × 21,207.82 - Step 4: Simplify right side
73,810.30x = 2,347,780,749.68 - Step 5: Solve for x
x = 2,347,780,749.68/73,810.30 - Step 6: Final answer
x = 31,808.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.