Finding the Fourth Proportional to 91,125.92, 125,682.62 and 59,305.08
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Solution
The fourth proportional to 91,125.92, 125,682.62 and 59,305.08 is: 81,794.71
Step by Step Solution
- Step 1: Write the proportion equation
91,125.92 : 125,682.62 = 59,305.08 : x - Step 2: Convert to fraction form
91,125.92/125,682.62 = 59,305.08/x - Step 3: Cross multiply
91,125.92x = 125,682.62 × 59,305.08 - Step 4: Simplify right side
91,125.92x = 7,453,617,833.71 - Step 5: Solve for x
x = 7,453,617,833.71/91,125.92 - Step 6: Final answer
x = 81,794.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.