Finding the Fourth Proportional to 77,054.08, 115,614.51 and 27,169.81
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Solution
The fourth proportional to 77,054.08, 115,614.51 and 27,169.81 is: 40,766.49
Step by Step Solution
- Step 1: Write the proportion equation
77,054.08 : 115,614.51 = 27,169.81 : x - Step 2: Convert to fraction form
77,054.08/115,614.51 = 27,169.81/x - Step 3: Cross multiply
77,054.08x = 115,614.51 × 27,169.81 - Step 4: Simplify right side
77,054.08x = 3,141,224,269.94 - Step 5: Solve for x
x = 3,141,224,269.94/77,054.08 - Step 6: Final answer
x = 40,766.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.