Finding the Fourth Proportional to 91,107.48, 125,727.45 and 50,271.99
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Solution
The fourth proportional to 91,107.48, 125,727.45 and 50,271.99 is: 69,374.86
Step by Step Solution
- Step 1: Write the proportion equation
91,107.48 : 125,727.45 = 50,271.99 : x - Step 2: Convert to fraction form
91,107.48/125,727.45 = 50,271.99/x - Step 3: Cross multiply
91,107.48x = 125,727.45 × 50,271.99 - Step 4: Simplify right side
91,107.48x = 6,320,569,109.13 - Step 5: Solve for x
x = 6,320,569,109.13/91,107.48 - Step 6: Final answer
x = 69,374.86
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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.