Finding the Fourth Proportional to 87,097.81, 130,646.42 and 23,917.98
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Solution
The fourth proportional to 87,097.81, 130,646.42 and 23,917.98 is: 35,876.90
Step by Step Solution
- Step 1: Write the proportion equation
87,097.81 : 130,646.42 = 23,917.98 : x - Step 2: Convert to fraction form
87,097.81/130,646.42 = 23,917.98/x - Step 3: Cross multiply
87,097.81x = 130,646.42 × 23,917.98 - Step 4: Simplify right side
87,097.81x = 3,124,798,920.66 - Step 5: Solve for x
x = 3,124,798,920.66/87,097.81 - Step 6: Final answer
x = 35,876.90
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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.