Finding the Fourth Proportional to 94,328.70, 130,163.67 and 51,884.70
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Solution
The fourth proportional to 94,328.70, 130,163.67 and 51,884.70 is: 71,595.42
Step by Step Solution
- Step 1: Write the proportion equation
94,328.70 : 130,163.67 = 51,884.70 : x - Step 2: Convert to fraction form
94,328.70/130,163.67 = 51,884.70/x - Step 3: Cross multiply
94,328.70x = 130,163.67 × 51,884.70 - Step 4: Simplify right side
94,328.70x = 6,753,502,968.85 - Step 5: Solve for x
x = 6,753,502,968.85/94,328.70 - Step 6: Final answer
x = 71,595.42
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1.5x scale
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.