Finding the Fourth Proportional to 107,062.97, 147,508.97 and 70,699.84
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Solution
The fourth proportional to 107,062.97, 147,508.97 and 70,699.84 is: 97,408.66
Step by Step Solution
- Step 1: Write the proportion equation
107,062.97 : 147,508.97 = 70,699.84 : x - Step 2: Convert to fraction form
107,062.97/147,508.97 = 70,699.84/x - Step 3: Cross multiply
107,062.97x = 147,508.97 × 70,699.84 - Step 4: Simplify right side
107,062.97x = 10,428,859,855.29 - Step 5: Solve for x
x = 10,428,859,855.29/107,062.97 - Step 6: Final answer
x = 97,408.66
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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.