Finding the Fourth Proportional to 81,828.08, 112,921.68 and 46,018.08
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Solution
The fourth proportional to 81,828.08, 112,921.68 and 46,018.08 is: 63,504.35
Step by Step Solution
- Step 1: Write the proportion equation
81,828.08 : 112,921.68 = 46,018.08 : x - Step 2: Convert to fraction form
81,828.08/112,921.68 = 46,018.08/x - Step 3: Cross multiply
81,828.08x = 112,921.68 × 46,018.08 - Step 4: Simplify right side
81,828.08x = 5,196,438,903.97 - Step 5: Solve for x
x = 5,196,438,903.97/81,828.08 - Step 6: Final answer
x = 63,504.35
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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.