Finding the Fourth Proportional to 84,482.51, 126,618.41 and 73,927.46
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Solution
The fourth proportional to 84,482.51, 126,618.41 and 73,927.46 is: 110,798.99
Step by Step Solution
- Step 1: Write the proportion equation
84,482.51 : 126,618.41 = 73,927.46 : x - Step 2: Convert to fraction form
84,482.51/126,618.41 = 73,927.46/x - Step 3: Cross multiply
84,482.51x = 126,618.41 × 73,927.46 - Step 4: Simplify right side
84,482.51x = 9,360,576,437.81 - Step 5: Solve for x
x = 9,360,576,437.81/84,482.51 - Step 6: Final answer
x = 110,798.99
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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.