Finding the Fourth Proportional to 102,550.05, 153,758.28 and 42,561.99
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Solution
The fourth proportional to 102,550.05, 153,758.28 and 42,561.99 is: 63,815.26
Step by Step Solution
- Step 1: Write the proportion equation
102,550.05 : 153,758.28 = 42,561.99 : x - Step 2: Convert to fraction form
102,550.05/153,758.28 = 42,561.99/x - Step 3: Cross multiply
102,550.05x = 153,758.28 × 42,561.99 - Step 4: Simplify right side
102,550.05x = 6,544,258,535.38 - Step 5: Solve for x
x = 6,544,258,535.38/102,550.05 - Step 6: Final answer
x = 63,815.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.