Finding the Fourth Proportional to 79,925.30, 110,289.06 and 44,113.02
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Solution
The fourth proportional to 79,925.30, 110,289.06 and 44,113.02 is: 60,871.63
Step by Step Solution
- Step 1: Write the proportion equation
79,925.30 : 110,289.06 = 44,113.02 : x - Step 2: Convert to fraction form
79,925.30/110,289.06 = 44,113.02/x - Step 3: Cross multiply
79,925.30x = 110,289.06 × 44,113.02 - Step 4: Simplify right side
79,925.30x = 4,865,183,509.56 - Step 5: Solve for x
x = 4,865,183,509.56/79,925.30 - Step 6: Final answer
x = 60,871.63
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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.