Finding the Fourth Proportional to 97,907.50, 135,112.71 and 53,195.50
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Solution
The fourth proportional to 97,907.50, 135,112.71 and 53,195.50 is: 73,409.99
Step by Step Solution
- Step 1: Write the proportion equation
97,907.50 : 135,112.71 = 53,195.50 : x - Step 2: Convert to fraction form
97,907.50/135,112.71 = 53,195.50/x - Step 3: Cross multiply
97,907.50x = 135,112.71 × 53,195.50 - Step 4: Simplify right side
97,907.50x = 7,187,388,164.81 - Step 5: Solve for x
x = 7,187,388,164.81/97,907.50 - Step 6: Final answer
x = 73,409.99
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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.