Finding the Fourth Proportional to 88,912.79, 133,221.11 and 62,562.17
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Solution
The fourth proportional to 88,912.79, 133,221.11 and 62,562.17 is: 93,739.07
Step by Step Solution
- Step 1: Write the proportion equation
88,912.79 : 133,221.11 = 62,562.17 : x - Step 2: Convert to fraction form
88,912.79/133,221.11 = 62,562.17/x - Step 3: Cross multiply
88,912.79x = 133,221.11 × 62,562.17 - Step 4: Simplify right side
88,912.79x = 8,334,601,751.65 - Step 5: Solve for x
x = 8,334,601,751.65/88,912.79 - Step 6: Final answer
x = 93,739.07
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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.