Finding the Fourth Proportional to 91,179.59, 125,848.82 and 53,465.99
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Solution
The fourth proportional to 91,179.59, 125,848.82 and 53,465.99 is: 73,795.37
Step by Step Solution
- Step 1: Write the proportion equation
91,179.59 : 125,848.82 = 53,465.99 : x - Step 2: Convert to fraction form
91,179.59/125,848.82 = 53,465.99/x - Step 3: Cross multiply
91,179.59x = 125,848.82 × 53,465.99 - Step 4: Simplify right side
91,179.59x = 6,728,631,256.05 - Step 5: Solve for x
x = 6,728,631,256.05/91,179.59 - Step 6: Final answer
x = 73,795.37
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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.