Finding the Fourth Proportional to 97,408.41, 134,445.99 and 57,135.15
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Solution
The fourth proportional to 97,408.41, 134,445.99 and 57,135.15 is: 78,859.64
Step by Step Solution
- Step 1: Write the proportion equation
97,408.41 : 134,445.99 = 57,135.15 : x - Step 2: Convert to fraction form
97,408.41/134,445.99 = 57,135.15/x - Step 3: Cross multiply
97,408.41x = 134,445.99 × 57,135.15 - Step 4: Simplify right side
97,408.41x = 7,681,591,805.55 - Step 5: Solve for x
x = 7,681,591,805.55/97,408.41 - Step 6: Final answer
x = 78,859.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.