Finding the Fourth Proportional to 83,113.14, 125,230.73 and 68,646.12
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Solution
The fourth proportional to 83,113.14, 125,230.73 and 68,646.12 is: 103,432.54
Step by Step Solution
- Step 1: Write the proportion equation
83,113.14 : 125,230.73 = 68,646.12 : x - Step 2: Convert to fraction form
83,113.14/125,230.73 = 68,646.12/x - Step 3: Cross multiply
83,113.14x = 125,230.73 × 68,646.12 - Step 4: Simplify right side
83,113.14x = 8,596,603,376.04 - Step 5: Solve for x
x = 8,596,603,376.04/83,113.14 - Step 6: Final answer
x = 103,432.54
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.