Finding the Fourth Proportional to 87,108.10, 130,497.72 and 51,463.06
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Solution
The fourth proportional to 87,108.10, 130,497.72 and 51,463.06 is: 77,097.45
Step by Step Solution
- Step 1: Write the proportion equation
87,108.10 : 130,497.72 = 51,463.06 : x - Step 2: Convert to fraction form
87,108.10/130,497.72 = 51,463.06/x - Step 3: Cross multiply
87,108.10x = 130,497.72 × 51,463.06 - Step 4: Simplify right side
87,108.10x = 6,715,811,994.22 - Step 5: Solve for x
x = 6,715,811,994.22/87,108.10 - Step 6: Final answer
x = 77,097.45
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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.