Finding the Fourth Proportional to 84,723.76, 116,935.41 and 48,911.64
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Solution
The fourth proportional to 84,723.76, 116,935.41 and 48,911.64 is: 67,507.66
Step by Step Solution
- Step 1: Write the proportion equation
84,723.76 : 116,935.41 = 48,911.64 : x - Step 2: Convert to fraction form
84,723.76/116,935.41 = 48,911.64/x - Step 3: Cross multiply
84,723.76x = 116,935.41 × 48,911.64 - Step 4: Simplify right side
84,723.76x = 5,719,502,677.17 - Step 5: Solve for x
x = 5,719,502,677.17/84,723.76 - Step 6: Final answer
x = 67,507.66
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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.