Finding the Fourth Proportional to 83,507.81, 125,235.27 and 27,338.81
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Solution
The fourth proportional to 83,507.81, 125,235.27 and 27,338.81 is: 40,999.55
Step by Step Solution
- Step 1: Write the proportion equation
83,507.81 : 125,235.27 = 27,338.81 : x - Step 2: Convert to fraction form
83,507.81/125,235.27 = 27,338.81/x - Step 3: Cross multiply
83,507.81x = 125,235.27 × 27,338.81 - Step 4: Simplify right side
83,507.81x = 3,423,782,625.65 - Step 5: Solve for x
x = 3,423,782,625.65/83,507.81 - Step 6: Final answer
x = 40,999.55
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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.