Finding the Fourth Proportional to 79,594.04, 109,838.99 and 43,784.09
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Solution
The fourth proportional to 79,594.04, 109,838.99 and 43,784.09 is: 60,421.61
Step by Step Solution
- Step 1: Write the proportion equation
79,594.04 : 109,838.99 = 43,784.09 : x - Step 2: Convert to fraction form
79,594.04/109,838.99 = 43,784.09/x - Step 3: Cross multiply
79,594.04x = 109,838.99 × 43,784.09 - Step 4: Simplify right side
79,594.04x = 4,809,200,567.39 - Step 5: Solve for x
x = 4,809,200,567.39/79,594.04 - Step 6: Final answer
x = 60,421.61
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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.