Finding the Fourth Proportional to 83,585.81, 125,232.84 and 69,635.45
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Solution
The fourth proportional to 83,585.81, 125,232.84 and 69,635.45 is: 104,331.65
Step by Step Solution
- Step 1: Write the proportion equation
83,585.81 : 125,232.84 = 69,635.45 : x - Step 2: Convert to fraction form
83,585.81/125,232.84 = 69,635.45/x - Step 3: Cross multiply
83,585.81x = 125,232.84 × 69,635.45 - Step 4: Simplify right side
83,585.81x = 8,720,644,542.01 - Step 5: Solve for x
x = 8,720,644,542.01/83,585.81 - Step 6: Final answer
x = 104,331.65
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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.