Finding the Fourth Proportional to 83,888.06, 115,765.53 and 46,162.31
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Solution
The fourth proportional to 83,888.06, 115,765.53 and 46,162.31 is: 63,703.99
Step by Step Solution
- Step 1: Write the proportion equation
83,888.06 : 115,765.53 = 46,162.31 : x - Step 2: Convert to fraction form
83,888.06/115,765.53 = 46,162.31/x - Step 3: Cross multiply
83,888.06x = 115,765.53 × 46,162.31 - Step 4: Simplify right side
83,888.06x = 5,344,003,661.07 - Step 5: Solve for x
x = 5,344,003,661.07/83,888.06 - Step 6: Final answer
x = 63,703.99
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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.