Finding the Fourth Proportional to 75,010.07, 103,465.12 and 48,109.97
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Solution
The fourth proportional to 75,010.07, 103,465.12 and 48,109.97 is: 66,360.47
Step by Step Solution
- Step 1: Write the proportion equation
75,010.07 : 103,465.12 = 48,109.97 : x - Step 2: Convert to fraction form
75,010.07/103,465.12 = 48,109.97/x - Step 3: Cross multiply
75,010.07x = 103,465.12 × 48,109.97 - Step 4: Simplify right side
75,010.07x = 4,977,703,819.25 - Step 5: Solve for x
x = 4,977,703,819.25/75,010.07 - Step 6: Final answer
x = 66,360.47
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1.5x scale
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.