Finding the Fourth Proportional to 75,845.04, 104,645.16 and 48,988.68
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Solution
The fourth proportional to 75,845.04, 104,645.16 and 48,988.68 is: 67,590.82
Step by Step Solution
- Step 1: Write the proportion equation
75,845.04 : 104,645.16 = 48,988.68 : x - Step 2: Convert to fraction form
75,845.04/104,645.16 = 48,988.68/x - Step 3: Cross multiply
75,845.04x = 104,645.16 × 48,988.68 - Step 4: Simplify right side
75,845.04x = 5,126,428,256.79 - Step 5: Solve for x
x = 5,126,428,256.79/75,845.04 - Step 6: Final answer
x = 67,590.82
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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.