Finding the Fourth Proportional to 86,693.05, 130,043.18 and 27,527.05
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Solution
The fourth proportional to 86,693.05, 130,043.18 and 27,527.05 is: 41,291.72
Step by Step Solution
- Step 1: Write the proportion equation
86,693.05 : 130,043.18 = 27,527.05 : x - Step 2: Convert to fraction form
86,693.05/130,043.18 = 27,527.05/x - Step 3: Cross multiply
86,693.05x = 130,043.18 × 27,527.05 - Step 4: Simplify right side
86,693.05x = 3,579,704,980.38 - Step 5: Solve for x
x = 3,579,704,980.38/86,693.05 - Step 6: Final answer
x = 41,291.72
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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.