Finding the Fourth Proportional to 83,797.88, 115,638.12 and 46,071.84
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Solution
The fourth proportional to 83,797.88, 115,638.12 and 46,071.84 is: 63,577.51
Step by Step Solution
- Step 1: Write the proportion equation
83,797.88 : 115,638.12 = 46,071.84 : x - Step 2: Convert to fraction form
83,797.88/115,638.12 = 46,071.84/x - Step 3: Cross multiply
83,797.88x = 115,638.12 × 46,071.84 - Step 4: Simplify right side
83,797.88x = 5,327,660,962.54 - Step 5: Solve for x
x = 5,327,660,962.54/83,797.88 - Step 6: Final answer
x = 63,577.51
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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.