Finding the Fourth Proportional to 75,197.95, 103,773.15 and 44,984.54
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Solution
The fourth proportional to 75,197.95, 103,773.15 and 44,984.54 is: 62,078.65
Step by Step Solution
- Step 1: Write the proportion equation
75,197.95 : 103,773.15 = 44,984.54 : x - Step 2: Convert to fraction form
75,197.95/103,773.15 = 44,984.54/x - Step 3: Cross multiply
75,197.95x = 103,773.15 × 44,984.54 - Step 4: Simplify right side
75,197.95x = 4,668,187,417.10 - Step 5: Solve for x
x = 4,668,187,417.10/75,197.95 - Step 6: Final answer
x = 62,078.65
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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.