Finding the Fourth Proportional to 75,866.04, 104,674.14 and 49,009.68
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Solution
The fourth proportional to 75,866.04, 104,674.14 and 49,009.68 is: 67,619.80
Step by Step Solution
- Step 1: Write the proportion equation
75,866.04 : 104,674.14 = 49,009.68 : x - Step 2: Convert to fraction form
75,866.04/104,674.14 = 49,009.68/x - Step 3: Cross multiply
75,866.04x = 104,674.14 × 49,009.68 - Step 4: Simplify right side
75,866.04x = 5,130,046,105.68 - Step 5: Solve for x
x = 5,130,046,105.68/75,866.04 - Step 6: Final answer
x = 67,619.80
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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.