Finding the Fourth Proportional to 86,891.99, 130,333.66 and 50,888.68
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Solution
The fourth proportional to 86,891.99, 130,333.66 and 50,888.68 is: 76,330.48
Step by Step Solution
- Step 1: Write the proportion equation
86,891.99 : 130,333.66 = 50,888.68 : x - Step 2: Convert to fraction form
86,891.99/130,333.66 = 50,888.68/x - Step 3: Cross multiply
86,891.99x = 130,333.66 × 50,888.68 - Step 4: Simplify right side
86,891.99x = 6,632,507,228.84 - Step 5: Solve for x
x = 6,632,507,228.84/86,891.99 - Step 6: Final answer
x = 76,330.48
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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.