Finding the Fourth Proportional to 98,341.92, 135,711.81 and 55,903.14
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Solution
The fourth proportional to 98,341.92, 135,711.81 and 55,903.14 is: 77,146.31
Step by Step Solution
- Step 1: Write the proportion equation
98,341.92 : 135,711.81 = 55,903.14 : x - Step 2: Convert to fraction form
98,341.92/135,711.81 = 55,903.14/x - Step 3: Cross multiply
98,341.92x = 135,711.81 × 55,903.14 - Step 4: Simplify right side
98,341.92x = 7,586,716,314.08 - Step 5: Solve for x
x = 7,586,716,314.08/98,341.92 - Step 6: Final answer
x = 77,146.31
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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.