Finding the Fourth Proportional to 75,655.14, 113,552.80 and 38,241.66
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Solution
The fourth proportional to 75,655.14, 113,552.80 and 38,241.66 is: 57,397.92
Step by Step Solution
- Step 1: Write the proportion equation
75,655.14 : 113,552.80 = 38,241.66 : x - Step 2: Convert to fraction form
75,655.14/113,552.80 = 38,241.66/x - Step 3: Cross multiply
75,655.14x = 113,552.80 × 38,241.66 - Step 4: Simplify right side
75,655.14x = 4,342,447,569.65 - Step 5: Solve for x
x = 4,342,447,569.65/75,655.14 - Step 6: Final answer
x = 57,397.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.