Finding the Fourth Proportional to 77,171.68, 115,762.02 and 29,787.02
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Solution
The fourth proportional to 77,171.68, 115,762.02 and 29,787.02 is: 44,682.26
Step by Step Solution
- Step 1: Write the proportion equation
77,171.68 : 115,762.02 = 29,787.02 : x - Step 2: Convert to fraction form
77,171.68/115,762.02 = 29,787.02/x - Step 3: Cross multiply
77,171.68x = 115,762.02 × 29,787.02 - Step 4: Simplify right side
77,171.68x = 3,448,205,026.17 - Step 5: Solve for x
x = 3,448,205,026.17/77,171.68 - Step 6: Final answer
x = 44,682.26
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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.