Finding the Fourth Proportional to 73,355.63, 101,230.76 and 39,821.63
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Solution
The fourth proportional to 73,355.63, 101,230.76 and 39,821.63 is: 54,953.84
Step by Step Solution
- Step 1: Write the proportion equation
73,355.63 : 101,230.76 = 39,821.63 : x - Step 2: Convert to fraction form
73,355.63/101,230.76 = 39,821.63/x - Step 3: Cross multiply
73,355.63x = 101,230.76 × 39,821.63 - Step 4: Simplify right side
73,355.63x = 4,031,173,462.74 - Step 5: Solve for x
x = 4,031,173,462.74/73,355.63 - Step 6: Final answer
x = 54,953.84
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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.