Finding the Fourth Proportional to 98,098.08, 135,376.32 and 53,386.08
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Solution
The fourth proportional to 98,098.08, 135,376.32 and 53,386.08 is: 73,673.32
Step by Step Solution
- Step 1: Write the proportion equation
98,098.08 : 135,376.32 = 53,386.08 : x - Step 2: Convert to fraction form
98,098.08/135,376.32 = 53,386.08/x - Step 3: Cross multiply
98,098.08x = 135,376.32 × 53,386.08 - Step 4: Simplify right side
98,098.08x = 7,227,211,049.63 - Step 5: Solve for x
x = 7,227,211,049.63/98,098.08 - Step 6: Final answer
x = 73,673.32
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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.