Finding the Fourth Proportional to 91,539.88, 137,316.06 and 29,215.08
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Solution
The fourth proportional to 91,539.88, 137,316.06 and 29,215.08 is: 43,824.61
Step by Step Solution
- Step 1: Write the proportion equation
91,539.88 : 137,316.06 = 29,215.08 : x - Step 2: Convert to fraction form
91,539.88/137,316.06 = 29,215.08/x - Step 3: Cross multiply
91,539.88x = 137,316.06 × 29,215.08 - Step 4: Simplify right side
91,539.88x = 4,011,699,678.18 - Step 5: Solve for x
x = 4,011,699,678.18/91,539.88 - Step 6: Final answer
x = 43,824.61
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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.