Finding the Fourth Proportional to 73,642.60, 101,694.18 and 53,615.08
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Solution
The fourth proportional to 73,642.60, 101,694.18 and 53,615.08 is: 74,037.87
Step by Step Solution
- Step 1: Write the proportion equation
73,642.60 : 101,694.18 = 53,615.08 : x - Step 2: Convert to fraction form
73,642.60/101,694.18 = 53,615.08/x - Step 3: Cross multiply
73,642.60x = 101,694.18 × 53,615.08 - Step 4: Simplify right side
73,642.60x = 5,452,341,596.23 - Step 5: Solve for x
x = 5,452,341,596.23/73,642.60 - Step 6: Final answer
x = 74,037.87
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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.