Finding the Fourth Proportional to 73,663.73, 101,655.93 and 40,129.73
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Solution
The fourth proportional to 73,663.73, 101,655.93 and 40,129.73 is: 55,379.02
Step by Step Solution
- Step 1: Write the proportion equation
73,663.73 : 101,655.93 = 40,129.73 : x - Step 2: Convert to fraction form
73,663.73/101,655.93 = 40,129.73/x - Step 3: Cross multiply
73,663.73x = 101,655.93 × 40,129.73 - Step 4: Simplify right side
73,663.73x = 4,079,425,023.80 - Step 5: Solve for x
x = 4,079,425,023.80/73,663.73 - Step 6: Final answer
x = 55,379.02
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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.