Finding the Fourth Proportional to 84,666.19, 127,075.43 and 45,256.99
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Solution
The fourth proportional to 84,666.19, 127,075.43 and 45,256.99 is: 67,926.19
Step by Step Solution
- Step 1: Write the proportion equation
84,666.19 : 127,075.43 = 45,256.99 : x - Step 2: Convert to fraction form
84,666.19/127,075.43 = 45,256.99/x - Step 3: Cross multiply
84,666.19x = 127,075.43 × 45,256.99 - Step 4: Simplify right side
84,666.19x = 5,751,051,464.76 - Step 5: Solve for x
x = 5,751,051,464.76/84,666.19 - Step 6: Final answer
x = 67,926.19
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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.