Finding the Fourth Proportional to 84,615.64, 116,774.26 and 46,889.08
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Solution
The fourth proportional to 84,615.64, 116,774.26 and 46,889.08 is: 64,709.52
Step by Step Solution
- Step 1: Write the proportion equation
84,615.64 : 116,774.26 = 46,889.08 : x - Step 2: Convert to fraction form
84,615.64/116,774.26 = 46,889.08/x - Step 3: Cross multiply
84,615.64x = 116,774.26 × 46,889.08 - Step 4: Simplify right side
84,615.64x = 5,475,437,619.08 - Step 5: Solve for x
x = 5,475,437,619.08/84,615.64 - Step 6: Final answer
x = 64,709.52
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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.