Finding the Fourth Proportional to 75,751.29, 104,544.17 and 56,597.83
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Solution
The fourth proportional to 75,751.29, 104,544.17 and 56,597.83 is: 78,110.52
Step by Step Solution
- Step 1: Write the proportion equation
75,751.29 : 104,544.17 = 56,597.83 : x - Step 2: Convert to fraction form
75,751.29/104,544.17 = 56,597.83/x - Step 3: Cross multiply
75,751.29x = 104,544.17 × 56,597.83 - Step 4: Simplify right side
75,751.29x = 5,916,972,829.04 - Step 5: Solve for x
x = 5,916,972,829.04/75,751.29 - Step 6: Final answer
x = 78,110.52
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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.