Finding the Fourth Proportional to 75,353.36, 113,031.12 and 22,763.30
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Solution
The fourth proportional to 75,353.36, 113,031.12 and 22,763.30 is: 34,145.28
Step by Step Solution
- Step 1: Write the proportion equation
75,353.36 : 113,031.12 = 22,763.30 : x - Step 2: Convert to fraction form
75,353.36/113,031.12 = 22,763.30/x - Step 3: Cross multiply
75,353.36x = 113,031.12 × 22,763.30 - Step 4: Simplify right side
75,353.36x = 2,572,961,293.90 - Step 5: Solve for x
x = 2,572,961,293.90/75,353.36 - Step 6: Final answer
x = 34,145.28
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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.