Finding the Fourth Proportional to 77,329.18, 106,765.69 and 59,392.14
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Solution
The fourth proportional to 77,329.18, 106,765.69 and 59,392.14 is: 82,000.65
Step by Step Solution
- Step 1: Write the proportion equation
77,329.18 : 106,765.69 = 59,392.14 : x - Step 2: Convert to fraction form
77,329.18/106,765.69 = 59,392.14/x - Step 3: Cross multiply
77,329.18x = 106,765.69 × 59,392.14 - Step 4: Simplify right side
77,329.18x = 6,341,042,807.68 - Step 5: Solve for x
x = 6,341,042,807.68/77,329.18 - Step 6: Final answer
x = 82,000.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.