Finding the Fourth Proportional to 90,454.31, 135,687.99 and 23,893.58
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Solution
The fourth proportional to 90,454.31, 135,687.99 and 23,893.58 is: 35,842.09
Step by Step Solution
- Step 1: Write the proportion equation
90,454.31 : 135,687.99 = 23,893.58 : x - Step 2: Convert to fraction form
90,454.31/135,687.99 = 23,893.58/x - Step 3: Cross multiply
90,454.31x = 135,687.99 × 23,893.58 - Step 4: Simplify right side
90,454.31x = 3,242,071,165.66 - Step 5: Solve for x
x = 3,242,071,165.66/90,454.31 - Step 6: Final answer
x = 35,842.09
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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.