Finding the Fourth Proportional to 104,719.68, 144,504.96 and 59,398.08
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Solution
The fourth proportional to 104,719.68, 144,504.96 and 59,398.08 is: 81,964.70
Step by Step Solution
- Step 1: Write the proportion equation
104,719.68 : 144,504.96 = 59,398.08 : x - Step 2: Convert to fraction form
104,719.68/144,504.96 = 59,398.08/x - Step 3: Cross multiply
104,719.68x = 144,504.96 × 59,398.08 - Step 4: Simplify right side
104,719.68x = 8,583,317,174.48 - Step 5: Solve for x
x = 8,583,317,174.48/104,719.68 - Step 6: Final answer
x = 81,964.70
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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.