Finding the Fourth Proportional to 92,685.19, 139,035.08 and 36,521.41
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Solution
The fourth proportional to 92,685.19, 139,035.08 and 36,521.41 is: 54,784.99
Step by Step Solution
- Step 1: Write the proportion equation
92,685.19 : 139,035.08 = 36,521.41 : x - Step 2: Convert to fraction form
92,685.19/139,035.08 = 36,521.41/x - Step 3: Cross multiply
92,685.19x = 139,035.08 × 36,521.41 - Step 4: Simplify right side
92,685.19x = 5,077,757,161.06 - Step 5: Solve for x
x = 5,077,757,161.06/92,685.19 - Step 6: Final answer
x = 54,784.99
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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.