Finding the Fourth Proportional to 73,988.84, 110,989.37 and 24,067.80
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Solution
The fourth proportional to 73,988.84, 110,989.37 and 24,067.80 is: 36,103.69
Step by Step Solution
- Step 1: Write the proportion equation
73,988.84 : 110,989.37 = 24,067.80 : x - Step 2: Convert to fraction form
73,988.84/110,989.37 = 24,067.80/x - Step 3: Cross multiply
73,988.84x = 110,989.37 × 24,067.80 - Step 4: Simplify right side
73,988.84x = 2,671,270,019.46 - Step 5: Solve for x
x = 2,671,270,019.46/73,988.84 - Step 6: Final answer
x = 36,103.69
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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.