Finding the Fourth Proportional to 87,134.58, 130,718.82 and 27,965.70
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Solution
The fourth proportional to 87,134.58, 130,718.82 and 27,965.70 is: 41,953.99
Step by Step Solution
- Step 1: Write the proportion equation
87,134.58 : 130,718.82 = 27,965.70 : x - Step 2: Convert to fraction form
87,134.58/130,718.82 = 27,965.70/x - Step 3: Cross multiply
87,134.58x = 130,718.82 × 27,965.70 - Step 4: Simplify right side
87,134.58x = 3,655,643,304.47 - Step 5: Solve for x
x = 3,655,643,304.47/87,134.58 - Step 6: Final answer
x = 41,953.99
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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.