Finding the Fourth Proportional to 86,659.14, 130,008.16 and 27,496.74
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Solution
The fourth proportional to 86,659.14, 130,008.16 and 27,496.74 is: 41,251.28
Step by Step Solution
- Step 1: Write the proportion equation
86,659.14 : 130,008.16 = 27,496.74 : x - Step 2: Convert to fraction form
86,659.14/130,008.16 = 27,496.74/x - Step 3: Cross multiply
86,659.14x = 130,008.16 × 27,496.74 - Step 4: Simplify right side
86,659.14x = 3,574,800,573.40 - Step 5: Solve for x
x = 3,574,800,573.40/86,659.14 - Step 6: Final answer
x = 41,251.28
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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.