Finding the Fourth Proportional to 79,366.03, 109,527.76 and 43,557.99
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Solution
The fourth proportional to 79,366.03, 109,527.76 and 43,557.99 is: 60,111.47
Step by Step Solution
- Step 1: Write the proportion equation
79,366.03 : 109,527.76 = 43,557.99 : x - Step 2: Convert to fraction form
79,366.03/109,527.76 = 43,557.99/x - Step 3: Cross multiply
79,366.03x = 109,527.76 × 43,557.99 - Step 4: Simplify right side
79,366.03x = 4,770,808,718.52 - Step 5: Solve for x
x = 4,770,808,718.52/79,366.03 - Step 6: Final answer
x = 60,111.47
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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.