Finding the Fourth Proportional to 77,134.08, 115,709.63 and 24,531.26
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Solution
The fourth proportional to 77,134.08, 115,709.63 and 24,531.26 is: 36,799.60
Step by Step Solution
- Step 1: Write the proportion equation
77,134.08 : 115,709.63 = 24,531.26 : x - Step 2: Convert to fraction form
77,134.08/115,709.63 = 24,531.26/x - Step 3: Cross multiply
77,134.08x = 115,709.63 × 24,531.26 - Step 4: Simplify right side
77,134.08x = 2,838,503,018.03 - Step 5: Solve for x
x = 2,838,503,018.03/77,134.08 - Step 6: Final answer
x = 36,799.60
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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.