Finding the Fourth Proportional to 91,023.11, 136,541.58 and 31,032.95
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Solution
The fourth proportional to 91,023.11, 136,541.58 and 31,032.95 is: 46,551.78
Step by Step Solution
- Step 1: Write the proportion equation
91,023.11 : 136,541.58 = 31,032.95 : x - Step 2: Convert to fraction form
91,023.11/136,541.58 = 31,032.95/x - Step 3: Cross multiply
91,023.11x = 136,541.58 × 31,032.95 - Step 4: Simplify right side
91,023.11x = 4,237,288,025.06 - Step 5: Solve for x
x = 4,237,288,025.06/91,023.11 - Step 6: Final answer
x = 46,551.78
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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.