Finding the Fourth Proportional to 99,750.67, 149,681.09 and 40,627.96
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Solution
The fourth proportional to 99,750.67, 149,681.09 and 40,627.96 is: 60,964.37
Step by Step Solution
- Step 1: Write the proportion equation
99,750.67 : 149,681.09 = 40,627.96 : x - Step 2: Convert to fraction form
99,750.67/149,681.09 = 40,627.96/x - Step 3: Cross multiply
99,750.67x = 149,681.09 × 40,627.96 - Step 4: Simplify right side
99,750.67x = 6,081,237,134.14 - Step 5: Solve for x
x = 6,081,237,134.14/99,750.67 - Step 6: Final answer
x = 60,964.37
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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.