Finding the Fourth Proportional to 83,765.12, 115,596.24 and 46,041.80
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Solution
The fourth proportional to 83,765.12, 115,596.24 and 46,041.80 is: 63,537.89
Step by Step Solution
- Step 1: Write the proportion equation
83,765.12 : 115,596.24 = 46,041.80 : x - Step 2: Convert to fraction form
83,765.12/115,596.24 = 46,041.80/x - Step 3: Cross multiply
83,765.12x = 115,596.24 × 46,041.80 - Step 4: Simplify right side
83,765.12x = 5,322,258,962.83 - Step 5: Solve for x
x = 5,322,258,962.83/83,765.12 - Step 6: Final answer
x = 63,537.89
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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.