Finding the Fourth Proportional to 92,722.43, 127,956.95 and 50,280.99
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Solution
The fourth proportional to 92,722.43, 127,956.95 and 50,280.99 is: 69,387.77
Step by Step Solution
- Step 1: Write the proportion equation
92,722.43 : 127,956.95 = 50,280.99 : x - Step 2: Convert to fraction form
92,722.43/127,956.95 = 50,280.99/x - Step 3: Cross multiply
92,722.43x = 127,956.95 × 50,280.99 - Step 4: Simplify right side
92,722.43x = 6,433,802,728.92 - Step 5: Solve for x
x = 6,433,802,728.92/92,722.43 - Step 6: Final answer
x = 69,387.77
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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.