Finding the Fourth Proportional to 75,437.32, 104,017.60 and 48,176.68
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Solution
The fourth proportional to 75,437.32, 104,017.60 and 48,176.68 is: 66,428.96
Step by Step Solution
- Step 1: Write the proportion equation
75,437.32 : 104,017.60 = 48,176.68 : x - Step 2: Convert to fraction form
75,437.32/104,017.60 = 48,176.68/x - Step 3: Cross multiply
75,437.32x = 104,017.60 × 48,176.68 - Step 4: Simplify right side
75,437.32x = 5,011,222,629.57 - Step 5: Solve for x
x = 5,011,222,629.57/75,437.32 - Step 6: Final answer
x = 66,428.96
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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.