Finding the Fourth Proportional to 104,063.19, 143,607.19 and 56,316.53
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Solution
The fourth proportional to 104,063.19, 143,607.19 and 56,316.53 is: 77,716.80
Step by Step Solution
- Step 1: Write the proportion equation
104,063.19 : 143,607.19 = 56,316.53 : x - Step 2: Convert to fraction form
104,063.19/143,607.19 = 56,316.53/x - Step 3: Cross multiply
104,063.19x = 143,607.19 × 56,316.53 - Step 4: Simplify right side
104,063.19x = 8,087,458,623.85 - Step 5: Solve for x
x = 8,087,458,623.85/104,063.19 - Step 6: Final answer
x = 77,716.80
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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.