Finding the Fourth Proportional to 97,759.49, 134,922.51 and 61,952.76
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Solution
The fourth proportional to 97,759.49, 134,922.51 and 61,952.76 is: 85,503.95
Step by Step Solution
- Step 1: Write the proportion equation
97,759.49 : 134,922.51 = 61,952.76 : x - Step 2: Convert to fraction form
97,759.49/134,922.51 = 61,952.76/x - Step 3: Cross multiply
97,759.49x = 134,922.51 × 61,952.76 - Step 4: Simplify right side
97,759.49x = 8,358,821,880.63 - Step 5: Solve for x
x = 8,358,821,880.63/97,759.49 - Step 6: Final answer
x = 85,503.95
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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.