Finding the Fourth Proportional to 73,644.02, 110,363.06 and 39,837.06
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Solution
The fourth proportional to 73,644.02, 110,363.06 and 39,837.06 is: 59,699.89
Step by Step Solution
- Step 1: Write the proportion equation
73,644.02 : 110,363.06 = 39,837.06 : x - Step 2: Convert to fraction form
73,644.02/110,363.06 = 39,837.06/x - Step 3: Cross multiply
73,644.02x = 110,363.06 × 39,837.06 - Step 4: Simplify right side
73,644.02x = 4,396,539,643.82 - Step 5: Solve for x
x = 4,396,539,643.82/73,644.02 - Step 6: Final answer
x = 59,699.89
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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.