Finding the Fourth Proportional to 83,346.08, 125,169.71 and 76,670.28
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Solution
The fourth proportional to 83,346.08, 125,169.71 and 76,670.28 is: 115,143.95
Step by Step Solution
- Step 1: Write the proportion equation
83,346.08 : 125,169.71 = 76,670.28 : x - Step 2: Convert to fraction form
83,346.08/125,169.71 = 76,670.28/x - Step 3: Cross multiply
83,346.08x = 125,169.71 × 76,670.28 - Step 4: Simplify right side
83,346.08x = 9,596,796,329.87 - Step 5: Solve for x
x = 9,596,796,329.87/83,346.08 - Step 6: Final answer
x = 115,143.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.