Finding the Fourth Proportional to 89,042.79, 133,617.93 and 46,953.99
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Solution
The fourth proportional to 89,042.79, 133,617.93 and 46,953.99 is: 70,459.33
Step by Step Solution
- Step 1: Write the proportion equation
89,042.79 : 133,617.93 = 46,953.99 : x - Step 2: Convert to fraction form
89,042.79/133,617.93 = 46,953.99/x - Step 3: Cross multiply
89,042.79x = 133,617.93 × 46,953.99 - Step 4: Simplify right side
89,042.79x = 6,273,894,949.04 - Step 5: Solve for x
x = 6,273,894,949.04/89,042.79 - Step 6: Final answer
x = 70,459.33
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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.