Finding the Fourth Proportional to 84,358.97, 116,415.35 and 46,118.68
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Solution
The fourth proportional to 84,358.97, 116,415.35 and 46,118.68 is: 63,643.76
Step by Step Solution
- Step 1: Write the proportion equation
84,358.97 : 116,415.35 = 46,118.68 : x - Step 2: Convert to fraction form
84,358.97/116,415.35 = 46,118.68/x - Step 3: Cross multiply
84,358.97x = 116,415.35 × 46,118.68 - Step 4: Simplify right side
84,358.97x = 5,368,921,704.20 - Step 5: Solve for x
x = 5,368,921,704.20/84,358.97 - Step 6: Final answer
x = 63,643.76
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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.