Finding the Fourth Proportional to 84,962.07, 117,218.45 and 52,685.09
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Solution
The fourth proportional to 84,962.07, 117,218.45 and 52,685.09 is: 72,687.31
Step by Step Solution
- Step 1: Write the proportion equation
84,962.07 : 117,218.45 = 52,685.09 : x - Step 2: Convert to fraction form
84,962.07/117,218.45 = 52,685.09/x - Step 3: Cross multiply
84,962.07x = 117,218.45 × 52,685.09 - Step 4: Simplify right side
84,962.07x = 6,175,664,587.91 - Step 5: Solve for x
x = 6,175,664,587.91/84,962.07 - Step 6: Final answer
x = 72,687.31
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1.5x scale
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.