Finding the Fourth Proportional to 74,777.48, 112,177.34 and 26,742.44
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Solution
The fourth proportional to 74,777.48, 112,177.34 and 26,742.44 is: 40,117.64
Step by Step Solution
- Step 1: Write the proportion equation
74,777.48 : 112,177.34 = 26,742.44 : x - Step 2: Convert to fraction form
74,777.48/112,177.34 = 26,742.44/x - Step 3: Cross multiply
74,777.48x = 112,177.34 × 26,742.44 - Step 4: Simplify right side
74,777.48x = 2,999,895,784.31 - Step 5: Solve for x
x = 2,999,895,784.31/74,777.48 - Step 6: Final answer
x = 40,117.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.