Finding the Fourth Proportional to 79,177.05, 118,664.06 and 32,374.17
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Solution
The fourth proportional to 79,177.05, 118,664.06 and 32,374.17 is: 48,519.75
Step by Step Solution
- Step 1: Write the proportion equation
79,177.05 : 118,664.06 = 32,374.17 : x - Step 2: Convert to fraction form
79,177.05/118,664.06 = 32,374.17/x - Step 3: Cross multiply
79,177.05x = 118,664.06 × 32,374.17 - Step 4: Simplify right side
79,177.05x = 3,841,650,289.46 - Step 5: Solve for x
x = 3,841,650,289.46/79,177.05 - Step 6: Final answer
x = 48,519.75
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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.