Finding the Fourth Proportional to 73,888.48, 101,968.55 and 40,354.48
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Solution
The fourth proportional to 73,888.48, 101,968.55 and 40,354.48 is: 55,690.52
Step by Step Solution
- Step 1: Write the proportion equation
73,888.48 : 101,968.55 = 40,354.48 : x - Step 2: Convert to fraction form
73,888.48/101,968.55 = 40,354.48/x - Step 3: Cross multiply
73,888.48x = 101,968.55 × 40,354.48 - Step 4: Simplify right side
73,888.48x = 4,114,887,811.60 - Step 5: Solve for x
x = 4,114,887,811.60/73,888.48 - Step 6: Final answer
x = 55,690.52
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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.