Finding the Fourth Proportional to 97,695.24, 134,826.68 and 54,679.05
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Solution
The fourth proportional to 97,695.24, 134,826.68 and 54,679.05 is: 75,461.14
Step by Step Solution
- Step 1: Write the proportion equation
97,695.24 : 134,826.68 = 54,679.05 : x - Step 2: Convert to fraction form
97,695.24/134,826.68 = 54,679.05/x - Step 3: Cross multiply
97,695.24x = 134,826.68 × 54,679.05 - Step 4: Simplify right side
97,695.24x = 7,372,194,503.66 - Step 5: Solve for x
x = 7,372,194,503.66/97,695.24 - Step 6: Final answer
x = 75,461.14
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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.