Finding the Fourth Proportional to 73,202.71, 101,019.86 and 39,668.71
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Solution
The fourth proportional to 73,202.71, 101,019.86 and 39,668.71 is: 54,742.88
Step by Step Solution
- Step 1: Write the proportion equation
73,202.71 : 101,019.86 = 39,668.71 : x - Step 2: Convert to fraction form
73,202.71/101,019.86 = 39,668.71/x - Step 3: Cross multiply
73,202.71x = 101,019.86 × 39,668.71 - Step 4: Simplify right side
73,202.71x = 4,007,327,332.24 - Step 5: Solve for x
x = 4,007,327,332.24/73,202.71 - Step 6: Final answer
x = 54,742.88
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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.