Finding the Fourth Proportional to 75,558.12, 113,354.03 and 22,971.70
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Solution
The fourth proportional to 75,558.12, 113,354.03 and 22,971.70 is: 34,462.68
Step by Step Solution
- Step 1: Write the proportion equation
75,558.12 : 113,354.03 = 22,971.70 : x - Step 2: Convert to fraction form
75,558.12/113,354.03 = 22,971.70/x - Step 3: Cross multiply
75,558.12x = 113,354.03 × 22,971.70 - Step 4: Simplify right side
75,558.12x = 2,603,934,970.07 - Step 5: Solve for x
x = 2,603,934,970.07/75,558.12 - Step 6: Final answer
x = 34,462.68
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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.