Finding the Fourth Proportional to 83,461.53, 125,139.60 and 46,047.68
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Solution
The fourth proportional to 83,461.53, 125,139.60 and 46,047.68 is: 69,042.45
Step by Step Solution
- Step 1: Write the proportion equation
83,461.53 : 125,139.60 = 46,047.68 : x - Step 2: Convert to fraction form
83,461.53/125,139.60 = 46,047.68/x - Step 3: Cross multiply
83,461.53x = 125,139.60 × 46,047.68 - Step 4: Simplify right side
83,461.53x = 5,762,388,256.13 - Step 5: Solve for x
x = 5,762,388,256.13/83,461.53 - Step 6: Final answer
x = 69,042.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.