Finding the Fourth Proportional to 91,177.64, 125,812.58 and 50,887.65
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Solution
The fourth proportional to 91,177.64, 125,812.58 and 50,887.65 is: 70,217.95
Step by Step Solution
- Step 1: Write the proportion equation
91,177.64 : 125,812.58 = 50,887.65 : x - Step 2: Convert to fraction form
91,177.64/125,812.58 = 50,887.65/x - Step 3: Cross multiply
91,177.64x = 125,812.58 × 50,887.65 - Step 4: Simplify right side
91,177.64x = 6,402,306,282.20 - Step 5: Solve for x
x = 6,402,306,282.20/91,177.64 - Step 6: Final answer
x = 70,217.95
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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.