Finding the Fourth Proportional to 84,203.64, 116,203.68 and 46,477.08
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Solution
The fourth proportional to 84,203.64, 116,203.68 and 46,477.08 is: 64,139.84
Step by Step Solution
- Step 1: Write the proportion equation
84,203.64 : 116,203.68 = 46,477.08 : x - Step 2: Convert to fraction form
84,203.64/116,203.68 = 46,477.08/x - Step 3: Cross multiply
84,203.64x = 116,203.68 × 46,477.08 - Step 4: Simplify right side
84,203.64x = 5,400,807,731.65 - Step 5: Solve for x
x = 5,400,807,731.65/84,203.64 - Step 6: Final answer
x = 64,139.84
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1.5x scale
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.