Finding the Fourth Proportional to 75,332.24, 103,961.64 and 41,798.48
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Solution
The fourth proportional to 75,332.24, 103,961.64 and 41,798.48 is: 57,683.65
Step by Step Solution
- Step 1: Write the proportion equation
75,332.24 : 103,961.64 = 41,798.48 : x - Step 2: Convert to fraction form
75,332.24/103,961.64 = 41,798.48/x - Step 3: Cross multiply
75,332.24x = 103,961.64 × 41,798.48 - Step 4: Simplify right side
75,332.24x = 4,345,438,530.31 - Step 5: Solve for x
x = 4,345,438,530.31/75,332.24 - Step 6: Final answer
x = 57,683.65
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1.5x scale
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.