Finding the Fourth Proportional to 73,289.19, 101,141.57 and 43,074.08
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Solution
The fourth proportional to 73,289.19, 101,141.57 and 43,074.08 is: 59,443.68
Step by Step Solution
- Step 1: Write the proportion equation
73,289.19 : 101,141.57 = 43,074.08 : x - Step 2: Convert to fraction form
73,289.19/101,141.57 = 43,074.08/x - Step 3: Cross multiply
73,289.19x = 101,141.57 × 43,074.08 - Step 4: Simplify right side
73,289.19x = 4,356,579,356.43 - Step 5: Solve for x
x = 4,356,579,356.43/73,289.19 - Step 6: Final answer
x = 59,443.68
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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.