Finding the Fourth Proportional to 83,597.21, 125,438.81 and 55,536.65
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Solution
The fourth proportional to 83,597.21, 125,438.81 and 55,536.65 is: 83,333.53
Step by Step Solution
- Step 1: Write the proportion equation
83,597.21 : 125,438.81 = 55,536.65 : x - Step 2: Convert to fraction form
83,597.21/125,438.81 = 55,536.65/x - Step 3: Cross multiply
83,597.21x = 125,438.81 × 55,536.65 - Step 4: Simplify right side
83,597.21x = 6,966,450,382.51 - Step 5: Solve for x
x = 6,966,450,382.51/83,597.21 - Step 6: Final answer
x = 83,333.53
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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.