Finding the Fourth Proportional to 92,407.09, 138,625.58 and 36,216.71
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Solution
The fourth proportional to 92,407.09, 138,625.58 and 36,216.71 is: 54,330.92
Step by Step Solution
- Step 1: Write the proportion equation
92,407.09 : 138,625.58 = 36,216.71 : x - Step 2: Convert to fraction form
92,407.09/138,625.58 = 36,216.71/x - Step 3: Cross multiply
92,407.09x = 138,625.58 × 36,216.71 - Step 4: Simplify right side
92,407.09x = 5,020,562,429.44 - Step 5: Solve for x
x = 5,020,562,429.44/92,407.09 - Step 6: Final answer
x = 54,330.92
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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.