Finding the Fourth Proportional to 77,187.63, 115,776.99 and 29,793.45
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Solution
The fourth proportional to 77,187.63, 115,776.99 and 29,793.45 is: 44,688.46
Step by Step Solution
- Step 1: Write the proportion equation
77,187.63 : 115,776.99 = 29,793.45 : x - Step 2: Convert to fraction form
77,187.63/115,776.99 = 29,793.45/x - Step 3: Cross multiply
77,187.63x = 115,776.99 × 29,793.45 - Step 4: Simplify right side
77,187.63x = 3,449,395,962.72 - Step 5: Solve for x
x = 3,449,395,962.72/77,187.63 - Step 6: Final answer
x = 44,688.46
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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.