Finding the Fourth Proportional to 73,348.48, 101,220.84 and 39,814.48
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Solution
The fourth proportional to 73,348.48, 101,220.84 and 39,814.48 is: 54,943.95
Step by Step Solution
- Step 1: Write the proportion equation
73,348.48 : 101,220.84 = 39,814.48 : x - Step 2: Convert to fraction form
73,348.48/101,220.84 = 39,814.48/x - Step 3: Cross multiply
73,348.48x = 101,220.84 × 39,814.48 - Step 4: Simplify right side
73,348.48x = 4,030,055,109.76 - Step 5: Solve for x
x = 4,030,055,109.76/73,348.48 - Step 6: Final answer
x = 54,943.95
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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.