Finding the Fourth Proportional to 104,637.29, 144,400.93 and 56,891.70
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Solution
The fourth proportional to 104,637.29, 144,400.93 and 56,891.70 is: 78,511.35
Step by Step Solution
- Step 1: Write the proportion equation
104,637.29 : 144,400.93 = 56,891.70 : x - Step 2: Convert to fraction form
104,637.29/144,400.93 = 56,891.70/x - Step 3: Cross multiply
104,637.29x = 144,400.93 × 56,891.70 - Step 4: Simplify right side
104,637.29x = 8,215,214,247.05 - Step 5: Solve for x
x = 8,215,214,247.05/104,637.29 - Step 6: Final answer
x = 78,511.35
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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.