Finding the Fourth Proportional to 77,461.68, 116,192.52 and 54,133.68
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Solution
The fourth proportional to 77,461.68, 116,192.52 and 54,133.68 is: 81,200.52
Step by Step Solution
- Step 1: Write the proportion equation
77,461.68 : 116,192.52 = 54,133.68 : x - Step 2: Convert to fraction form
77,461.68/116,192.52 = 54,133.68/x - Step 3: Cross multiply
77,461.68x = 116,192.52 × 54,133.68 - Step 4: Simplify right side
77,461.68x = 6,289,928,696.07 - Step 5: Solve for x
x = 6,289,928,696.07/77,461.68 - Step 6: Final answer
x = 81,200.52
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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.