Finding the Fourth Proportional to 86,203.08, 129,304.80 and 23,873.76
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Solution
The fourth proportional to 86,203.08, 129,304.80 and 23,873.76 is: 35,810.69
Step by Step Solution
- Step 1: Write the proportion equation
86,203.08 : 129,304.80 = 23,873.76 : x - Step 2: Convert to fraction form
86,203.08/129,304.80 = 23,873.76/x - Step 3: Cross multiply
86,203.08x = 129,304.80 × 23,873.76 - Step 4: Simplify right side
86,203.08x = 3,086,991,762.05 - Step 5: Solve for x
x = 3,086,991,762.05/86,203.08 - Step 6: Final answer
x = 35,810.69
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1.5x scale
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.