Finding the Fourth Proportional to 75,152.13, 103,713.19 and 41,618.13
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Solution
The fourth proportional to 75,152.13, 103,713.19 and 41,618.13 is: 57,434.82
Step by Step Solution
- Step 1: Write the proportion equation
75,152.13 : 103,713.19 = 41,618.13 : x - Step 2: Convert to fraction form
75,152.13/103,713.19 = 41,618.13/x - Step 3: Cross multiply
75,152.13x = 103,713.19 × 41,618.13 - Step 4: Simplify right side
75,152.13x = 4,316,349,024.13 - Step 5: Solve for x
x = 4,316,349,024.13/75,152.13 - Step 6: Final answer
x = 57,434.82
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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.