Finding the Fourth Proportional to 75,117.70, 103,663.65 and 41,125.62
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Solution
The fourth proportional to 75,117.70, 103,663.65 and 41,125.62 is: 56,754.03
Step by Step Solution
- Step 1: Write the proportion equation
75,117.70 : 103,663.65 = 41,125.62 : x - Step 2: Convert to fraction form
75,117.70/103,663.65 = 41,125.62/x - Step 3: Cross multiply
75,117.70x = 103,663.65 × 41,125.62 - Step 4: Simplify right side
75,117.70x = 4,263,231,877.71 - Step 5: Solve for x
x = 4,263,231,877.71/75,117.70 - Step 6: Final answer
x = 56,754.03
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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.