Finding the Fourth Proportional to 75,830.92, 104,651.94 and 42,296.92
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Solution
The fourth proportional to 75,830.92, 104,651.94 and 42,296.92 is: 58,372.69
Step by Step Solution
- Step 1: Write the proportion equation
75,830.92 : 104,651.94 = 42,296.92 : x - Step 2: Convert to fraction form
75,830.92/104,651.94 = 42,296.92/x - Step 3: Cross multiply
75,830.92x = 104,651.94 × 42,296.92 - Step 4: Simplify right side
75,830.92x = 4,426,454,734.02 - Step 5: Solve for x
x = 4,426,454,734.02/75,830.92 - Step 6: Final answer
x = 58,372.69
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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.