Finding the Fourth Proportional to 73,663.23, 101,655.24 and 40,129.23
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Solution
The fourth proportional to 73,663.23, 101,655.24 and 40,129.23 is: 55,378.33
Step by Step Solution
- Step 1: Write the proportion equation
73,663.23 : 101,655.24 = 40,129.23 : x - Step 2: Convert to fraction form
73,663.23/101,655.24 = 40,129.23/x - Step 3: Cross multiply
73,663.23x = 101,655.24 × 40,129.23 - Step 4: Simplify right side
73,663.23x = 4,079,346,506.67 - Step 5: Solve for x
x = 4,079,346,506.67/73,663.23 - Step 6: Final answer
x = 55,378.33
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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.