Finding the Fourth Proportional to 87,926.99, 131,752.16 and 67,985.19
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Solution
The fourth proportional to 87,926.99, 131,752.16 and 67,985.19 is: 101,870.83
Step by Step Solution
- Step 1: Write the proportion equation
87,926.99 : 131,752.16 = 67,985.19 : x - Step 2: Convert to fraction form
87,926.99/131,752.16 = 67,985.19/x - Step 3: Cross multiply
87,926.99x = 131,752.16 × 67,985.19 - Step 4: Simplify right side
87,926.99x = 8,957,195,290.58 - Step 5: Solve for x
x = 8,957,195,290.58/87,926.99 - Step 6: Final answer
x = 101,870.83
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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.