Finding the Fourth Proportional to 77,026.68, 115,389.65 and 50,651.46
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Solution
The fourth proportional to 77,026.68, 115,389.65 and 50,651.46 is: 75,878.31
Step by Step Solution
- Step 1: Write the proportion equation
77,026.68 : 115,389.65 = 50,651.46 : x - Step 2: Convert to fraction form
77,026.68/115,389.65 = 50,651.46/x - Step 3: Cross multiply
77,026.68x = 115,389.65 × 50,651.46 - Step 4: Simplify right side
77,026.68x = 5,844,653,988.13 - Step 5: Solve for x
x = 5,844,653,988.13/77,026.68 - Step 6: Final answer
x = 75,878.31
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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.