Finding the Fourth Proportional to 70,908.63, 106,262.69 and 39,332.63
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Solution
The fourth proportional to 70,908.63, 106,262.69 and 39,332.63 is: 58,943.32
Step by Step Solution
- Step 1: Write the proportion equation
70,908.63 : 106,262.69 = 39,332.63 : x - Step 2: Convert to fraction form
70,908.63/106,262.69 = 39,332.63/x - Step 3: Cross multiply
70,908.63x = 106,262.69 × 39,332.63 - Step 4: Simplify right side
70,908.63x = 4,179,590,340.60 - Step 5: Solve for x
x = 4,179,590,340.60/70,908.63 - Step 6: Final answer
x = 58,943.32
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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.