Finding the Fourth Proportional to 97,826.97, 134,953.14 and 63,819.75
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Solution
The fourth proportional to 97,826.97, 134,953.14 and 63,819.75 is: 88,039.89
Step by Step Solution
- Step 1: Write the proportion equation
97,826.97 : 134,953.14 = 63,819.75 : x - Step 2: Convert to fraction form
97,826.97/134,953.14 = 63,819.75/x - Step 3: Cross multiply
97,826.97x = 134,953.14 × 63,819.75 - Step 4: Simplify right side
97,826.97x = 8,612,675,656.52 - Step 5: Solve for x
x = 8,612,675,656.52/97,826.97 - Step 6: Final answer
x = 88,039.89
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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.