Finding the Fourth Proportional to 125,658.61, 173,409.87 and 69,069.99
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Solution
The fourth proportional to 125,658.61, 173,409.87 and 69,069.99 is: 95,317.13
Step by Step Solution
- Step 1: Write the proportion equation
125,658.61 : 173,409.87 = 69,069.99 : x - Step 2: Convert to fraction form
125,658.61/173,409.87 = 69,069.99/x - Step 3: Cross multiply
125,658.61x = 173,409.87 × 69,069.99 - Step 4: Simplify right side
125,658.61x = 11,977,417,986.80 - Step 5: Solve for x
x = 11,977,417,986.80/125,658.61 - Step 6: Final answer
x = 95,317.13
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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.