Finding the Fourth Proportional to 73,957.86, 110,955.42 and 21,366.99
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Solution
The fourth proportional to 73,957.86, 110,955.42 and 21,366.99 is: 32,055.87
Step by Step Solution
- Step 1: Write the proportion equation
73,957.86 : 110,955.42 = 21,366.99 : x - Step 2: Convert to fraction form
73,957.86/110,955.42 = 21,366.99/x - Step 3: Cross multiply
73,957.86x = 110,955.42 × 21,366.99 - Step 4: Simplify right side
73,957.86x = 2,370,783,349.59 - Step 5: Solve for x
x = 2,370,783,349.59/73,957.86 - Step 6: Final answer
x = 32,055.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.