Finding the Fourth Proportional to 83,992.24, 115,909.20 and 46,266.52
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Solution
The fourth proportional to 83,992.24, 115,909.20 and 46,266.52 is: 63,847.75
Step by Step Solution
- Step 1: Write the proportion equation
83,992.24 : 115,909.20 = 46,266.52 : x - Step 2: Convert to fraction form
83,992.24/115,909.20 = 46,266.52/x - Step 3: Cross multiply
83,992.24x = 115,909.20 × 46,266.52 - Step 4: Simplify right side
83,992.24x = 5,362,715,319.98 - Step 5: Solve for x
x = 5,362,715,319.98/83,992.24 - Step 6: Final answer
x = 63,847.75
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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.