Finding the Fourth Proportional to 97,925.26, 135,137.70 and 53,213.26
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Solution
The fourth proportional to 97,925.26, 135,137.70 and 53,213.26 is: 73,434.76
Step by Step Solution
- Step 1: Write the proportion equation
97,925.26 : 135,137.70 = 53,213.26 : x - Step 2: Convert to fraction form
97,925.26/135,137.70 = 53,213.26/x - Step 3: Cross multiply
97,925.26x = 135,137.70 × 53,213.26 - Step 4: Simplify right side
97,925.26x = 7,191,117,565.90 - Step 5: Solve for x
x = 7,191,117,565.90/97,925.26 - Step 6: Final answer
x = 73,434.76
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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.