Finding the Fourth Proportional to 75,124.16, 103,668.14 and 41,132.03
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Solution
The fourth proportional to 75,124.16, 103,668.14 and 41,132.03 is: 56,760.45
Step by Step Solution
- Step 1: Write the proportion equation
75,124.16 : 103,668.14 = 41,132.03 : x - Step 2: Convert to fraction form
75,124.16/103,668.14 = 41,132.03/x - Step 3: Cross multiply
75,124.16x = 103,668.14 × 41,132.03 - Step 4: Simplify right side
75,124.16x = 4,264,081,044.52 - Step 5: Solve for x
x = 4,264,081,044.52/75,124.16 - Step 6: Final answer
x = 56,760.45
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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.