Finding the Fourth Proportional to 75,946.20, 113,921.16 and 23,356.08
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Solution
The fourth proportional to 75,946.20, 113,921.16 and 23,356.08 is: 35,034.69
Step by Step Solution
- Step 1: Write the proportion equation
75,946.20 : 113,921.16 = 23,356.08 : x - Step 2: Convert to fraction form
75,946.20/113,921.16 = 23,356.08/x - Step 3: Cross multiply
75,946.20x = 113,921.16 × 23,356.08 - Step 4: Simplify right side
75,946.20x = 2,660,751,726.65 - Step 5: Solve for x
x = 2,660,751,726.65/75,946.20 - Step 6: Final answer
x = 35,034.69
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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.