Finding the Fourth Proportional to 104,077.51, 143,623.94 and 58,756.19
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Solution
The fourth proportional to 104,077.51, 143,623.94 and 58,756.19 is: 81,081.83
Step by Step Solution
- Step 1: Write the proportion equation
104,077.51 : 143,623.94 = 58,756.19 : x - Step 2: Convert to fraction form
104,077.51/143,623.94 = 58,756.19/x - Step 3: Cross multiply
104,077.51x = 143,623.94 × 58,756.19 - Step 4: Simplify right side
104,077.51x = 8,438,794,495.29 - Step 5: Solve for x
x = 8,438,794,495.29/104,077.51 - Step 6: Final answer
x = 81,081.83
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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.