Finding the Fourth Proportional to 75,988.61, 113,995.43 and 23,398.09
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Solution
The fourth proportional to 75,988.61, 113,995.43 and 23,398.09 is: 35,100.99
Step by Step Solution
- Step 1: Write the proportion equation
75,988.61 : 113,995.43 = 23,398.09 : x - Step 2: Convert to fraction form
75,988.61/113,995.43 = 23,398.09/x - Step 3: Cross multiply
75,988.61x = 113,995.43 × 23,398.09 - Step 4: Simplify right side
75,988.61x = 2,667,275,104.24 - Step 5: Solve for x
x = 2,667,275,104.24/75,988.61 - Step 6: Final answer
x = 35,100.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.