Finding the Fourth Proportional to 75,406.84, 113,124.16 and 24,808.71
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Solution
The fourth proportional to 75,406.84, 113,124.16 and 24,808.71 is: 37,217.63
Step by Step Solution
- Step 1: Write the proportion equation
75,406.84 : 113,124.16 = 24,808.71 : x - Step 2: Convert to fraction form
75,406.84/113,124.16 = 24,808.71/x - Step 3: Cross multiply
75,406.84x = 113,124.16 × 24,808.71 - Step 4: Simplify right side
75,406.84x = 2,806,464,134.60 - Step 5: Solve for x
x = 2,806,464,134.60/75,406.84 - Step 6: Final answer
x = 37,217.63
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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.