Finding the Fourth Proportional to 91,088.94, 125,699.62 and 50,254.68
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Solution
The fourth proportional to 91,088.94, 125,699.62 and 50,254.68 is: 69,349.74
Step by Step Solution
- Step 1: Write the proportion equation
91,088.94 : 125,699.62 = 50,254.68 : x - Step 2: Convert to fraction form
91,088.94/125,699.62 = 50,254.68/x - Step 3: Cross multiply
91,088.94x = 125,699.62 × 50,254.68 - Step 4: Simplify right side
91,088.94x = 6,316,994,179.22 - Step 5: Solve for x
x = 6,316,994,179.22/91,088.94 - Step 6: Final answer
x = 69,349.74
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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.