Finding the Fourth Proportional to 83,973.74, 115,879.48 and 46,240.70
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Solution
The fourth proportional to 83,973.74, 115,879.48 and 46,240.70 is: 63,809.80
Step by Step Solution
- Step 1: Write the proportion equation
83,973.74 : 115,879.48 = 46,240.70 : x - Step 2: Convert to fraction form
83,973.74/115,879.48 = 46,240.70/x - Step 3: Cross multiply
83,973.74x = 115,879.48 × 46,240.70 - Step 4: Simplify right side
83,973.74x = 5,358,347,575.84 - Step 5: Solve for x
x = 5,358,347,575.84/83,973.74 - Step 6: Final answer
x = 63,809.80
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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.