Finding the Fourth Proportional to 81,873.44, 112,977.36 and 46,062.68
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Solution
The fourth proportional to 81,873.44, 112,977.36 and 46,062.68 is: 63,562.00
Step by Step Solution
- Step 1: Write the proportion equation
81,873.44 : 112,977.36 = 46,062.68 : x - Step 2: Convert to fraction form
81,873.44/112,977.36 = 46,062.68/x - Step 3: Cross multiply
81,873.44x = 112,977.36 × 46,062.68 - Step 4: Simplify right side
81,873.44x = 5,204,039,980.92 - Step 5: Solve for x
x = 5,204,039,980.92/81,873.44 - Step 6: Final answer
x = 63,562.00
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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.