Finding the Fourth Proportional to 91,365.90, 137,032.08 and 41,433.99
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Solution
The fourth proportional to 91,365.90, 137,032.08 and 41,433.99 is: 62,143.38
Step by Step Solution
- Step 1: Write the proportion equation
91,365.90 : 137,032.08 = 41,433.99 : x - Step 2: Convert to fraction form
91,365.90/137,032.08 = 41,433.99/x - Step 3: Cross multiply
91,365.90x = 137,032.08 × 41,433.99 - Step 4: Simplify right side
91,365.90x = 5,677,785,832.40 - Step 5: Solve for x
x = 5,677,785,832.40/91,365.90 - Step 6: Final answer
x = 62,143.38
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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.