Finding the Fourth Proportional to 77,635.35, 116,278.07 and 46,404.99
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Solution
The fourth proportional to 77,635.35, 116,278.07 and 46,404.99 is: 69,502.91
Step by Step Solution
- Step 1: Write the proportion equation
77,635.35 : 116,278.07 = 46,404.99 : x - Step 2: Convert to fraction form
77,635.35/116,278.07 = 46,404.99/x - Step 3: Cross multiply
77,635.35x = 116,278.07 × 46,404.99 - Step 4: Simplify right side
77,635.35x = 5,395,882,443.54 - Step 5: Solve for x
x = 5,395,882,443.54/77,635.35 - Step 6: Final answer
x = 69,502.91
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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.