Finding the Fourth Proportional to 75,125.91, 103,743.99 and 48,314.97
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Solution
The fourth proportional to 75,125.91, 103,743.99 and 48,314.97 is: 66,719.83
Step by Step Solution
- Step 1: Write the proportion equation
75,125.91 : 103,743.99 = 48,314.97 : x - Step 2: Convert to fraction form
75,125.91/103,743.99 = 48,314.97/x - Step 3: Cross multiply
75,125.91x = 103,743.99 × 48,314.97 - Step 4: Simplify right side
75,125.91x = 5,012,387,764.53 - Step 5: Solve for x
x = 5,012,387,764.53/75,125.91 - Step 6: Final answer
x = 66,719.83
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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.