Finding the Fourth Proportional to 79,167.17, 118,685.15 and 29,237.96
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Solution
The fourth proportional to 79,167.17, 118,685.15 and 29,237.96 is: 43,832.71
Step by Step Solution
- Step 1: Write the proportion equation
79,167.17 : 118,685.15 = 29,237.96 : x - Step 2: Convert to fraction form
79,167.17/118,685.15 = 29,237.96/x - Step 3: Cross multiply
79,167.17x = 118,685.15 × 29,237.96 - Step 4: Simplify right side
79,167.17x = 3,470,111,928.46 - Step 5: Solve for x
x = 3,470,111,928.46/79,167.17 - Step 6: Final answer
x = 43,832.71
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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.