Finding the Fourth Proportional to 79,305.63, 118,989.58 and 34,901.24
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Solution
The fourth proportional to 79,305.63, 118,989.58 and 34,901.24 is: 52,365.55
Step by Step Solution
- Step 1: Write the proportion equation
79,305.63 : 118,989.58 = 34,901.24 : x - Step 2: Convert to fraction form
79,305.63/118,989.58 = 34,901.24/x - Step 3: Cross multiply
79,305.63x = 118,989.58 × 34,901.24 - Step 4: Simplify right side
79,305.63x = 4,152,883,294.13 - Step 5: Solve for x
x = 4,152,883,294.13/79,305.63 - Step 6: Final answer
x = 52,365.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.