Finding the Fourth Proportional to 90,553.91, 124,951.07 and 50,267.99
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Solution
The fourth proportional to 90,553.91, 124,951.07 and 50,267.99 is: 69,362.42
Step by Step Solution
- Step 1: Write the proportion equation
90,553.91 : 124,951.07 = 50,267.99 : x - Step 2: Convert to fraction form
90,553.91/124,951.07 = 50,267.99/x - Step 3: Cross multiply
90,553.91x = 124,951.07 × 50,267.99 - Step 4: Simplify right side
90,553.91x = 6,281,038,261.15 - Step 5: Solve for x
x = 6,281,038,261.15/90,553.91 - Step 6: Final answer
x = 69,362.42
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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.