Finding the Fourth Proportional to 77,965.63, 116,955.73 and 25,360.99
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Solution
The fourth proportional to 77,965.63, 116,955.73 and 25,360.99 is: 38,043.85
Step by Step Solution
- Step 1: Write the proportion equation
77,965.63 : 116,955.73 = 25,360.99 : x - Step 2: Convert to fraction form
77,965.63/116,955.73 = 25,360.99/x - Step 3: Cross multiply
77,965.63x = 116,955.73 × 25,360.99 - Step 4: Simplify right side
77,965.63x = 2,966,113,098.97 - Step 5: Solve for x
x = 2,966,113,098.97/77,965.63 - Step 6: Final answer
x = 38,043.85
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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.