Finding the Fourth Proportional to 125,775.99, 173,574.77 and 68,419.49
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Solution
The fourth proportional to 125,775.99, 173,574.77 and 68,419.49 is: 94,421.01
Step by Step Solution
- Step 1: Write the proportion equation
125,775.99 : 173,574.77 = 68,419.49 : x - Step 2: Convert to fraction form
125,775.99/173,574.77 = 68,419.49/x - Step 3: Cross multiply
125,775.99x = 173,574.77 × 68,419.49 - Step 4: Simplify right side
125,775.99x = 11,875,896,030.30 - Step 5: Solve for x
x = 11,875,896,030.30/125,775.99 - Step 6: Final answer
x = 94,421.01
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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.