Finding the Fourth Proportional to 86,177.08, 129,265.77 and 27,017.36
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Solution
The fourth proportional to 86,177.08, 129,265.77 and 27,017.36 is: 40,526.09
Step by Step Solution
- Step 1: Write the proportion equation
86,177.08 : 129,265.77 = 27,017.36 : x - Step 2: Convert to fraction form
86,177.08/129,265.77 = 27,017.36/x - Step 3: Cross multiply
86,177.08x = 129,265.77 × 27,017.36 - Step 4: Simplify right side
86,177.08x = 3,492,420,510.62 - Step 5: Solve for x
x = 3,492,420,510.62/86,177.08 - Step 6: Final answer
x = 40,526.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.