Finding the Fourth Proportional to 95,871.72, 132,303.64 and 53,432.99
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Solution
The fourth proportional to 95,871.72, 132,303.64 and 53,432.99 is: 73,737.89
Step by Step Solution
- Step 1: Write the proportion equation
95,871.72 : 132,303.64 = 53,432.99 : x - Step 2: Convert to fraction form
95,871.72/132,303.64 = 53,432.99/x - Step 3: Cross multiply
95,871.72x = 132,303.64 × 53,432.99 - Step 4: Simplify right side
95,871.72x = 7,069,378,411.57 - Step 5: Solve for x
x = 7,069,378,411.57/95,871.72 - Step 6: Final answer
x = 73,737.89
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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.