Finding the Fourth Proportional to 75,973.70, 104,838.30 and 41,981.82
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Solution
The fourth proportional to 75,973.70, 104,838.30 and 41,981.82 is: 57,931.92
Step by Step Solution
- Step 1: Write the proportion equation
75,973.70 : 104,838.30 = 41,981.82 : x - Step 2: Convert to fraction form
75,973.70/104,838.30 = 41,981.82/x - Step 3: Cross multiply
75,973.70x = 104,838.30 × 41,981.82 - Step 4: Simplify right side
75,973.70x = 4,401,302,639.71 - Step 5: Solve for x
x = 4,401,302,639.71/75,973.70 - Step 6: Final answer
x = 57,931.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.