Finding the Fourth Proportional to 84,210.97, 126,317.04 and 57,835.75
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Solution
The fourth proportional to 84,210.97, 126,317.04 and 57,835.75 is: 86,754.03
Step by Step Solution
- Step 1: Write the proportion equation
84,210.97 : 126,317.04 = 57,835.75 : x - Step 2: Convert to fraction form
84,210.97/126,317.04 = 57,835.75/x - Step 3: Cross multiply
84,210.97x = 126,317.04 × 57,835.75 - Step 4: Simplify right side
84,210.97x = 7,305,640,746.18 - Step 5: Solve for x
x = 7,305,640,746.18/84,210.97 - Step 6: Final answer
x = 86,754.03
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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.