Finding the Fourth Proportional to 92,946.84, 139,233.14 and 42,958.09
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Solution
The fourth proportional to 92,946.84, 139,233.14 and 42,958.09 is: 64,350.65
Step by Step Solution
- Step 1: Write the proportion equation
92,946.84 : 139,233.14 = 42,958.09 : x - Step 2: Convert to fraction form
92,946.84/139,233.14 = 42,958.09/x - Step 3: Cross multiply
92,946.84x = 139,233.14 × 42,958.09 - Step 4: Simplify right side
92,946.84x = 5,981,189,759.10 - Step 5: Solve for x
x = 5,981,189,759.10/92,946.84 - Step 6: Final answer
x = 64,350.65
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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.