Finding the Fourth Proportional to 75,407.50, 104,062.35 and 41,873.50
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Solution
The fourth proportional to 75,407.50, 104,062.35 and 41,873.50 is: 57,785.43
Step by Step Solution
- Step 1: Write the proportion equation
75,407.50 : 104,062.35 = 41,873.50 : x - Step 2: Convert to fraction form
75,407.50/104,062.35 = 41,873.50/x - Step 3: Cross multiply
75,407.50x = 104,062.35 × 41,873.50 - Step 4: Simplify right side
75,407.50x = 4,357,454,812.73 - Step 5: Solve for x
x = 4,357,454,812.73/75,407.50 - Step 6: Final answer
x = 57,785.43
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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.