Finding the Fourth Proportional to 94,842.29, 130,880.81 and 51,820.84
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Solution
The fourth proportional to 94,842.29, 130,880.81 and 51,820.84 is: 71,511.91
Step by Step Solution
- Step 1: Write the proportion equation
94,842.29 : 130,880.81 = 51,820.84 : x - Step 2: Convert to fraction form
94,842.29/130,880.81 = 51,820.84/x - Step 3: Cross multiply
94,842.29x = 130,880.81 × 51,820.84 - Step 4: Simplify right side
94,842.29x = 6,782,353,439.13 - Step 5: Solve for x
x = 6,782,353,439.13/94,842.29 - Step 6: Final answer
x = 71,511.91
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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.