Finding the Fourth Proportional to 117,579.60, 176,369.40 and 82,675.08
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Solution
The fourth proportional to 117,579.60, 176,369.40 and 82,675.08 is: 124,012.62
Step by Step Solution
- Step 1: Write the proportion equation
117,579.60 : 176,369.40 = 82,675.08 : x - Step 2: Convert to fraction form
117,579.60/176,369.40 = 82,675.08/x - Step 3: Cross multiply
117,579.60x = 176,369.40 × 82,675.08 - Step 4: Simplify right side
117,579.60x = 14,581,354,254.55 - Step 5: Solve for x
x = 14,581,354,254.55/117,579.60 - Step 6: Final answer
x = 124,012.62
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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.