Finding the Fourth Proportional to 125,603.12, 173,332.44 and 69,017.84
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Solution
The fourth proportional to 125,603.12, 173,332.44 and 69,017.84 is: 95,244.69
Step by Step Solution
- Step 1: Write the proportion equation
125,603.12 : 173,332.44 = 69,017.84 : x - Step 2: Convert to fraction form
125,603.12/173,332.44 = 69,017.84/x - Step 3: Cross multiply
125,603.12x = 173,332.44 × 69,017.84 - Step 4: Simplify right side
125,603.12x = 11,963,030,610.73 - Step 5: Solve for x
x = 11,963,030,610.73/125,603.12 - Step 6: Final answer
x = 95,244.69
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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.