Finding the Fourth Proportional to 102,159.04, 140,936.16 and 62,392
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Solution
The fourth proportional to 102,159.04, 140,936.16 and 62,392 is: 86,074.51
Step by Step Solution
- Step 1: Write the proportion equation
102,159.04 : 140,936.16 = 62,392 : x - Step 2: Convert to fraction form
102,159.04/140,936.16 = 62,392/x - Step 3: Cross multiply
102,159.04x = 140,936.16 × 62,392 - Step 4: Simplify right side
102,159.04x = 8,793,288,894.72 - Step 5: Solve for x
x = 8,793,288,894.72/102,159.04 - Step 6: Final answer
x = 86,074.51
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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.