Finding the Fourth Proportional to 86,065.10, 129,097.76 and 26,901.08
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Solution
The fourth proportional to 86,065.10, 129,097.76 and 26,901.08 is: 40,351.65
Step by Step Solution
- Step 1: Write the proportion equation
86,065.10 : 129,097.76 = 26,901.08 : x - Step 2: Convert to fraction form
86,065.10/129,097.76 = 26,901.08/x - Step 3: Cross multiply
86,065.10x = 129,097.76 × 26,901.08 - Step 4: Simplify right side
86,065.10x = 3,472,869,169.58 - Step 5: Solve for x
x = 3,472,869,169.58/86,065.10 - Step 6: Final answer
x = 40,351.65
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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.