Finding the Fourth Proportional to 75,565.68, 113,393.07 and 28,214.70
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Solution
The fourth proportional to 75,565.68, 113,393.07 and 28,214.70 is: 42,338.68
Step by Step Solution
- Step 1: Write the proportion equation
75,565.68 : 113,393.07 = 28,214.70 : x - Step 2: Convert to fraction form
75,565.68/113,393.07 = 28,214.70/x - Step 3: Cross multiply
75,565.68x = 113,393.07 × 28,214.70 - Step 4: Simplify right side
75,565.68x = 3,199,351,452.13 - Step 5: Solve for x
x = 3,199,351,452.13/75,565.68 - Step 6: Final answer
x = 42,338.68
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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.