Finding the Fourth Proportional to 73,336.19, 101,203.90 and 39,802.19
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Solution
The fourth proportional to 73,336.19, 101,203.90 and 39,802.19 is: 54,926.99
Step by Step Solution
- Step 1: Write the proportion equation
73,336.19 : 101,203.90 = 39,802.19 : x - Step 2: Convert to fraction form
73,336.19/101,203.90 = 39,802.19/x - Step 3: Cross multiply
73,336.19x = 101,203.90 × 39,802.19 - Step 4: Simplify right side
73,336.19x = 4,028,136,251.02 - Step 5: Solve for x
x = 4,028,136,251.02/73,336.19 - Step 6: Final answer
x = 54,926.99
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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.