Finding the Fourth Proportional to 75,253.19, 103,854.08 and 41,719.19
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Solution
The fourth proportional to 75,253.19, 103,854.08 and 41,719.19 is: 57,575.07
Step by Step Solution
- Step 1: Write the proportion equation
75,253.19 : 103,854.08 = 41,719.19 : x - Step 2: Convert to fraction form
75,253.19/103,854.08 = 41,719.19/x - Step 3: Cross multiply
75,253.19x = 103,854.08 × 41,719.19 - Step 4: Simplify right side
75,253.19x = 4,332,708,146.83 - Step 5: Solve for x
x = 4,332,708,146.83/75,253.19 - Step 6: Final answer
x = 57,575.07
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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.