Finding the Fourth Proportional to 105,373.80, 145,396.92 and 62,331.84
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Solution
The fourth proportional to 105,373.80, 145,396.92 and 62,331.84 is: 86,006.75
Step by Step Solution
- Step 1: Write the proportion equation
105,373.80 : 145,396.92 = 62,331.84 : x - Step 2: Convert to fraction form
105,373.80/145,396.92 = 62,331.84/x - Step 3: Cross multiply
105,373.80x = 145,396.92 × 62,331.84 - Step 4: Simplify right side
105,373.80x = 9,062,857,553.93 - Step 5: Solve for x
x = 9,062,857,553.93/105,373.80 - Step 6: Final answer
x = 86,006.75
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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.