Finding the Fourth Proportional to 73,135.52, 100,921.44 and 41,307.68
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Solution
The fourth proportional to 73,135.52, 100,921.44 and 41,307.68 is: 57,001.45
Step by Step Solution
- Step 1: Write the proportion equation
73,135.52 : 100,921.44 = 41,307.68 : x - Step 2: Convert to fraction form
73,135.52/100,921.44 = 41,307.68/x - Step 3: Cross multiply
73,135.52x = 100,921.44 × 41,307.68 - Step 4: Simplify right side
73,135.52x = 4,168,830,548.66 - Step 5: Solve for x
x = 4,168,830,548.66/73,135.52 - Step 6: Final answer
x = 57,001.45
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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.