Finding the Fourth Proportional to 91,125.64, 125,753.19 and 50,837.00
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Solution
The fourth proportional to 91,125.64, 125,753.19 and 50,837.00 is: 70,154.95
Step by Step Solution
- Step 1: Write the proportion equation
91,125.64 : 125,753.19 = 50,837.00 : x - Step 2: Convert to fraction form
91,125.64/125,753.19 = 50,837.00/x - Step 3: Cross multiply
91,125.64x = 125,753.19 × 50,837.00 - Step 4: Simplify right side
91,125.64x = 6,392,914,291.26 - Step 5: Solve for x
x = 6,392,914,291.26/91,125.64 - Step 6: Final answer
x = 70,154.95
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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.