Finding the Fourth Proportional to 89,640.68, 134,429.68 and 26,444.02
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Solution
The fourth proportional to 89,640.68, 134,429.68 and 26,444.02 is: 39,656.79
Step by Step Solution
- Step 1: Write the proportion equation
89,640.68 : 134,429.68 = 26,444.02 : x - Step 2: Convert to fraction form
89,640.68/134,429.68 = 26,444.02/x - Step 3: Cross multiply
89,640.68x = 134,429.68 × 26,444.02 - Step 4: Simplify right side
89,640.68x = 3,554,861,080.40 - Step 5: Solve for x
x = 3,554,861,080.40/89,640.68 - Step 6: Final answer
x = 39,656.79
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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.