Finding the Fourth Proportional to 87,097.36, 130,651.98 and 34,506.76
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Solution
The fourth proportional to 87,097.36, 130,651.98 and 34,506.76 is: 51,762.49
Step by Step Solution
- Step 1: Write the proportion equation
87,097.36 : 130,651.98 = 34,506.76 : x - Step 2: Convert to fraction form
87,097.36/130,651.98 = 34,506.76/x - Step 3: Cross multiply
87,097.36x = 130,651.98 × 34,506.76 - Step 4: Simplify right side
87,097.36x = 4,508,376,517.38 - Step 5: Solve for x
x = 4,508,376,517.38/87,097.36 - Step 6: Final answer
x = 51,762.49
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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.