Finding the Fourth Proportional to 75,288.07, 103,898.06 and 41,756.23
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Solution
The fourth proportional to 75,288.07, 103,898.06 and 41,756.23 is: 57,623.89
Step by Step Solution
- Step 1: Write the proportion equation
75,288.07 : 103,898.06 = 41,756.23 : x - Step 2: Convert to fraction form
75,288.07/103,898.06 = 41,756.23/x - Step 3: Cross multiply
75,288.07x = 103,898.06 × 41,756.23 - Step 4: Simplify right side
75,288.07x = 4,338,391,289.91 - Step 5: Solve for x
x = 4,338,391,289.91/75,288.07 - Step 6: Final answer
x = 57,623.89
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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.