Finding the Fourth Proportional to 97,341.15, 134,359.52 and 57,063.63
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Solution
The fourth proportional to 97,341.15, 134,359.52 and 57,063.63 is: 78,764.65
Step by Step Solution
- Step 1: Write the proportion equation
97,341.15 : 134,359.52 = 57,063.63 : x - Step 2: Convert to fraction form
97,341.15/134,359.52 = 57,063.63/x - Step 3: Cross multiply
97,341.15x = 134,359.52 × 57,063.63 - Step 4: Simplify right side
97,341.15x = 7,667,041,650.94 - Step 5: Solve for x
x = 7,667,041,650.94/97,341.15 - Step 6: Final answer
x = 78,764.65
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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.