Finding the Fourth Proportional to 91,257.99, 125,934.68 and 50,972.34
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Solution
The fourth proportional to 91,257.99, 125,934.68 and 50,972.34 is: 70,341.08
Step by Step Solution
- Step 1: Write the proportion equation
91,257.99 : 125,934.68 = 50,972.34 : x - Step 2: Convert to fraction form
91,257.99/125,934.68 = 50,972.34/x - Step 3: Cross multiply
91,257.99x = 125,934.68 × 50,972.34 - Step 4: Simplify right side
91,257.99x = 6,419,185,326.75 - Step 5: Solve for x
x = 6,419,185,326.75/91,257.99 - Step 6: Final answer
x = 70,341.08
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1.5x scale
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.