Finding the Fourth Proportional to 83,534.70, 125,246.70 and 46,112.70
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Solution
The fourth proportional to 83,534.70, 125,246.70 and 46,112.70 is: 69,138.50
Step by Step Solution
- Step 1: Write the proportion equation
83,534.70 : 125,246.70 = 46,112.70 : x - Step 2: Convert to fraction form
83,534.70/125,246.70 = 46,112.70/x - Step 3: Cross multiply
83,534.70x = 125,246.70 × 46,112.70 - Step 4: Simplify right side
83,534.70x = 5,775,463,503.09 - Step 5: Solve for x
x = 5,775,463,503.09/83,534.70 - Step 6: Final answer
x = 69,138.50
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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.