Finding the Fourth Proportional to 89,865.68, 134,817.66 and 26,685.99
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Solution
The fourth proportional to 89,865.68, 134,817.66 and 26,685.99 is: 40,034.67
Step by Step Solution
- Step 1: Write the proportion equation
89,865.68 : 134,817.66 = 26,685.99 : x - Step 2: Convert to fraction form
89,865.68/134,817.66 = 26,685.99/x - Step 3: Cross multiply
89,865.68x = 134,817.66 × 26,685.99 - Step 4: Simplify right side
89,865.68x = 3,597,742,726.58 - Step 5: Solve for x
x = 3,597,742,726.58/89,865.68 - Step 6: Final answer
x = 40,034.67
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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.