Finding the Fourth Proportional to 73,479.24, 101,221.38 and 53,276.76
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Solution
The fourth proportional to 73,479.24, 101,221.38 and 53,276.76 is: 73,391.44
Step by Step Solution
- Step 1: Write the proportion equation
73,479.24 : 101,221.38 = 53,276.76 : x - Step 2: Convert to fraction form
73,479.24/101,221.38 = 53,276.76/x - Step 3: Cross multiply
73,479.24x = 101,221.38 × 53,276.76 - Step 4: Simplify right side
73,479.24x = 5,392,747,169.13 - Step 5: Solve for x
x = 5,392,747,169.13/73,479.24 - Step 6: Final answer
x = 73,391.44
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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.