Finding the Fourth Proportional to 98,276.07, 135,624.74 and 53,564.07
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Solution
The fourth proportional to 98,276.07, 135,624.74 and 53,564.07 is: 73,920.47
Step by Step Solution
- Step 1: Write the proportion equation
98,276.07 : 135,624.74 = 53,564.07 : x - Step 2: Convert to fraction form
98,276.07/135,624.74 = 53,564.07/x - Step 3: Cross multiply
98,276.07x = 135,624.74 × 53,564.07 - Step 4: Simplify right side
98,276.07x = 7,264,612,799.27 - Step 5: Solve for x
x = 7,264,612,799.27/98,276.07 - Step 6: Final answer
x = 73,920.47
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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.