Finding the Fourth Proportional to 73,899.70, 101,981.58 and 40,365.70
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Solution
The fourth proportional to 73,899.70, 101,981.58 and 40,365.70 is: 55,704.66
Step by Step Solution
- Step 1: Write the proportion equation
73,899.70 : 101,981.58 = 40,365.70 : x - Step 2: Convert to fraction form
73,899.70/101,981.58 = 40,365.70/x - Step 3: Cross multiply
73,899.70x = 101,981.58 × 40,365.70 - Step 4: Simplify right side
73,899.70x = 4,116,557,863.81 - Step 5: Solve for x
x = 4,116,557,863.81/73,899.70 - Step 6: Final answer
x = 55,704.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.