Finding the Fourth Proportional to 75,210.08, 103,789.93 and 41,219.92
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Solution
The fourth proportional to 75,210.08, 103,789.93 and 41,219.92 is: 56,883.49
Step by Step Solution
- Step 1: Write the proportion equation
75,210.08 : 103,789.93 = 41,219.92 : x - Step 2: Convert to fraction form
75,210.08/103,789.93 = 41,219.92/x - Step 3: Cross multiply
75,210.08x = 103,789.93 × 41,219.92 - Step 4: Simplify right side
75,210.08x = 4,278,212,092.46 - Step 5: Solve for x
x = 4,278,212,092.46/75,210.08 - Step 6: Final answer
x = 56,883.49
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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.