Finding the Fourth Proportional to 73,899.07, 101,981.12 and 40,365.07
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Solution
The fourth proportional to 73,899.07, 101,981.12 and 40,365.07 is: 55,704.02
Step by Step Solution
- Step 1: Write the proportion equation
73,899.07 : 101,981.12 = 40,365.07 : x - Step 2: Convert to fraction form
73,899.07/101,981.12 = 40,365.07/x - Step 3: Cross multiply
73,899.07x = 101,981.12 × 40,365.07 - Step 4: Simplify right side
73,899.07x = 4,116,475,047.48 - Step 5: Solve for x
x = 4,116,475,047.48/73,899.07 - Step 6: Final answer
x = 55,704.02
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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.